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1. 0 50 Calibre amp Telescopic Sight SUB 3 12x50 MKII 0 2 MRAD AW50 Anti Material Sniper Rifle User Manual Published By Accuracy International Limited 15010 Issue 03 UK amp Rest Of World Excluding USA Accuracy International Ltd P O Box 81 Portsmouth Hampshire PO3 5SJ United Kingdom Tel 44 0 23 9267 1225 Fax 44 0 23 9269 1852 Email precision accint org USA Only Accuracy International North America P O Box 5267 Oak Ridge TN 37831 USA Tel 865 482 0330 Fax 865 482 0336 Email AlNA accuracyinternational org 1 0 1 1 1 2 1 3 2 0 3 0 4 0 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 5 0 5 1 5 2 5 3 5 4 5 5 5 6 5 7 5 8 5 9 5 10 5 11 5 12 5 13 5 14 5 15 5 16 5 17 5 18 5 19 5 20 5 21 5 22 5 23 5 24 Accuracy International Ltd Contents Introduction What s Covered Within This Manual Accuracy International General Description Rifle Technical Specification Rifle Top Level GA Parts Identification Safety General Safety Features Firing Pin Cocking Indicator Safe Handling Instructions Checking That The Rifle Is Unloaded Checking That The Bore Is Free Of Obstructions Safety Lever Operation Checking The Firing Pin s Safe Operation Operating Instructions Rifle Assembling The Rifle Unfolding amp Folding The Stock Fitting amp Removing The Bipod Fitting amp Removal Of The2. Stops are fitted at the beginning and at the end of the turn to aid the user to count of the elevation and windage clicks to when shooting at night The zoom can be adjusted in order to allow the sniper to magnify the target between three and twelve times The eyepiece can be adjusted to accommodate dioptre deviation from 2 to 2 dioptres The design of the telescopic sight lenses allows more than 85 light transmission The telescopic sight is fitted with a laser protection filter All metal components have a hard anodised finish which is easily cared for and offers a high resistance to scratches If ordered the scope will be normally supplied fitted to the rifle having already been collimated not zeroed Fig 18 Schmidt und Bender 3 12x50 MKII 0 2 MRAD Telescope A Windage Adjustment Turret D Magnification Ring B Elevation Adjustment Turret E Dioptre Adjustment Ring C Parallax Adjustment Turret Accuracy International Ltd 8 2 Al Reticule 8 2 1 The reticule s lines graduations and MIL dots are accurately positioned and dimensioned in order to serve as angular references The marks can be used as a guide to calculate distances widths heights and angles and they also can be used to aim off for wind velocity or moving targets 10 4 all dimensions are in MRAD Fig 19 Al Reticule 8 2 2 1 MRAD subtends 1 m at 1000 m Therefore the 0 2 MRAD dots on the reticule subtend 2
3. accessories fitted minus scope empty 1353 mm 53 3 1105 mm 43 5 Steel front locking integral Mil Std 1913 rail 60 opening six lugs 8 mm 315 striker fall Two stage adjustable set at 1 8kg 4lbs Safe and Fire modes only Safe withdraws and blocks the firing pin physically blocks the trigger and locks the bolt in the closed position 692 mm 27 25 Stainless steel match grade 1 15 twist fitted with a muzzle brake 825 m sec 2707 ft sec with standard ball ammunition Note This varies between ammunition manufacturer Folding type alloy chassis enclosed in scuff resistance stock sides Fitted with removable bipod cheekpiece anti recoil butt adjustable third leg support and sling loops Universal quick detachable folding type Provides 10 loll either side of the central position Quick release with fine adjustment Detachable box type containing five rounds Four sling loops allowing hand amp shoulder sling or biathlon style harness for backpack style carriage The emergency peep iron sight has five settings from 200 m out to 1000 m The foresight has coarse windage adjustment via repositioning the muzzle brake and fine elevation adjustment Rearsight has fine windage adjustment Accuracy International Ltd 3 0 Top Level GA Parts Identification A SL B SL C D SL m A Butt Pad H Magazine Release Catch N Bolt Release Catch B Cheekpiece Magazine O Sa
4. Carefully feed the spring out of the magazine so not to damage the attached platform Reassembly is conducted in reverse order to stripping ensuring that the magazine platform and spring base are correctly aligned with the magazine s profile Tests After Re assembly Specially prepared dummy rounds should be used to conduct this test CAUTION Load the magazine with inert test rounds to its fullest capacity Whilst loading check to ensure that the lips of the magazine hold each round in position Load the magazine into a functional rifle Operate the bolt and check that each round is fed in extracted and ejected correctly Accuracy International Ltd 6 0 User Maintenance Rifle 6 1 6 1 1 6 1 2 6 2 6 2 1 General This section only covers the level of maintenance that the user would be expected to perform using the tools supplied with the rifle It recognises that a user is unlikely to be able to conduct the same level of maintenance whilst operational Complete maintenance procedures are defined in the Maintenance Manual To ensure the rifle is not damaged whilst being cleaned and lubricated only the recommended tools cleaning materials and lubricates should be used in accordance with these instructions No abrasive material should be used on any part of the rifle If cleanliness cannot be achieved using the methods and materials described below the fault should be reported to the Base Armour
5. of a turn at a time until they are tight The centre screw can then be tightened to the same extent To remove the scope mount loosen the clamp plate s three screws until there is sufficient clearance for the mount to be lifted off It is recommended that the scope is re zeroed following any changes to its position Unnecessary removal refitting of the scope from the picatinny rail or within the mount s scope rings should therefore be avoided CAUTION 17 5 6 5 6 1 5 6 2 5 6 3 5 6 4 5 6 5 5 6 6 5 6 7 5 6 8 AW50 Users Manual Fitting amp Removal Of The Bolt The bolt can only be fitted removed from the rifle when the stock is folded position and the safety lever is in the Fire position To fit the bolt ensure that the safety lever is set in the Fire position Check that the serial numbers of the bolt and the action are the same If they are different do not fit the bolt and contact the Base Armourer Fold the stock back to allow sufficient clearance for the bolt to be replaced Its recommended that it be folded fully back onto itself and locked in this position see section 5 2 Unfolding amp Folding The Stock Fit the bolt into the bolt way and whilst depressing the bolt release catch slide the bolt fully forwards Release the bolt catch pull the trigger shoe and whilst holding it to the rear close the bolt before releasing the trigger shoe To remove the bolt hold
6. Hand Stop Bipod Mount Accessory where ordered Fitting amp Removal Of The Scope Mount Accessory where ordered Fitting amp Removal Of The Bolt Insertion amp Removal Of The Magazine Setting Up The Rifle Holding The Rifle Bipod Adjustment Third Leg Adjustment Preparing To Fire The Rifle Loading Firing amp Operating The Bolt Reloading Unloading Unloading A Live Cartridge Zeroing The Rifle To A Telescopic Sight Iron Sights Accessory where ordered Fitting amp Removing The Iron Sights Zeroing The Rifle To The Iron Sights Disassembling The Rifle Stripping The Magazine Tests After Reassembly Bo cowo oaae ab 4 gt 6 0 6 1 6 2 6 3 6 4 6 5 7 0 8 0 8 1 8 2 8 3 8 4 8 5 8 6 8 7 8 8 9 0 9 1 9 2 10 0 11 0 12 0 13 0 AW50 Users Manual User Maintenance Rifle General Cleaning amp Lubricating Before Firing Cleaning The Barrel amp Chamber Before Firing Cleaning amp Lubricating After Firing To Clean Heavy Copper Fouling Recommended Lubricates amp Cleaning Solutions Operating Instructions Telescope Accessory where ordered General Description Telescope Al Reticule Eye Relief Eye Relief Adjustment Eyepiece Dioptre Adjustment Elevation Adjustment Windage Adjustment Parallax Adjustment User Maintenance Telescope General Cleaning The Telescope Accuracy amp Ammunition User Tips Customer Communication Shooting Log Page 33 33 33
7. be manipulated without head movement and which minimises rifle movement Practice movements that are slow and smooth when using the rifle as a hide may be compromised by rapid jerky movements Ensure that all the rifle s support points bipod and third leg are in contact with the ground to minimise pulse beat When using the bipod always push into the bipod so that on firing the rifle recoils naturally without resistance about the ball joint Pulling back on the bipod can give serious elevation at the target especially on soft ground When holding the breath during firing it is better to exhale rather than inhale This reduces ground pressure on the abdomen and reduces pulse Press the thumb of the right hand on top of the action to aid leverage when opening the bolt to assist the removal of tight extractions ALWAYS ensure that the bolt is fully closed before reopening so that any live round that is already in the chamber will be gripped by the extractor and ejected When cycling the bolt for repeat shots ALWAYS ensure that bolt is retracted fully rearwards i e to touch the bolt stop to minimise the chance of a misfeed Watch for the fall of the shot in case a quick follow up shot is necessary Accuracy International Ltd 12 0 Customer Communications 12 1 1 Accuracy International welcomes your feedback on our products and service both negative and positive We are able to offer Service Repair and Spares packa
8. keyway Slide the hand stop bipod mount along the keyway and tighten the screw nut when it is in the desired position To remove the hand stop bipod mount loosen the screw nut and remove it through the circular opening at the end of the keyway Fig 06 Fitting amp Removal Of The Hand Stop Bipod Mount AW50 Users Manual 5 5 Fitting amp Removal Of The Scope Mount Securing Screws a E Fig 07 Scope Mount 5 5 1 To fit the scope mount use the universal Allen key set to loosen the three mount screws if they have been done up until there is sufficient clearance for the mount to be fitted 5 5 2 Present the mount to the Picatinny rail at an angle of approximately 30 degrees and align the recoil lug with the appropriate slot 5 5 3 Hook the mount s fixed dovetail on the opposite side to the securing screws onto the rail s mating face before rolling the mount over to the upright position Fig 08 Fitting The Scope Mount Onto The Rail 5 5 4 5 5 5 5 5 6 5 5 7 5 5 8 Accuracy International Ltd Before re tightening the mount securing screws ensure that the mount s recoil lugs are pushed forward against the slot in the rail It is recommended that a routine be established for retightening the screws to ensure that the scope mount is fitted consistently each time Typically after the bolts have been made finger tight the front and rear screws should be tighten alternately by
9. side of the rifle until it s female bush engages on the male retaining spigot The stock is now held in the folded position 5 3 5 3 1 5 3 2 5 3 3 5 3 4 AW50 Users Manual Fitting amp Removal Of The Bipod Fig 04 Bipod To fit the bipod insert its spigot into the socket at the front of the rifle forend or the hand stop bipod mount where fitted until the catch engages Correct engagement can be assured on hearing an audible click when the bipod is pushed home Alternatively when operational the user can reduce the noise made inserting the bipod by holding the bipod release catch open whilst the bipod is pushed home To remove the bipod depress the bipod release catch and pull the bipod out of the socket Fig 05 Fitting amp Removal Of The Bipod 5 4 5 4 1 5 4 2 5 4 3 5 4 4 5 4 5 Accuracy International Ltd Fitting amp Removal Of The Hand Stop Bipod Mount The adjustable hand stop bipod mount allows the user to adjust the bipod s position along the length of the forend To fit the adjustable hand stop bipod mount use the universal Allen key set to loosen the screw nut until there is sufficient clearance for the mount to be fitted but do not undo it completely Where the rifle cannot be turned over use the Allen key to push against the screw to maintain the clearance whilst inserting the hand stop bipod mount into the circular opening at the end of the
10. trigger guard Loading To load the rifle place a full magazine into the magazine well Push the magazine upwards until the magazine retaining catch engages on the magazine s lug If the bolt is in the closed position open the bolt by fully raising the bolt lever and pulling it backwards until it reaches its stop To feed a round from the magazine into the chamber push the bolt lever fully forward and then down into the closed position The rifle is now cocked and is able to be fired The safety lever should be applied as necessary CAUTION The extractor does not engage the cartridge rim unless the bolt is fully closed Failure to fully close the bolt every time that it is manipulated could result in a live round being left in the chamber CAUTION Note If It is difficult to get the magazine to engage with the bolt closed or the first round is difficult to feed into the chamber check the that the magazine has not been over loaded 22 5 14 5 14 1 5 14 2 5 14 3 5 14 4 5 14 5 5 14 6 5 14 7 5 14 8 5 14 9 5 14 10 5 14 11 5 14 12 5 14 13 5 14 14 5 14 15 Accuracy International Ltd Firing amp Operating The Bolt The sequence detailed below assumes that the user has already identified the target and made the relevant adjustments to optimise the scope or iron sight Set the range and windage on whichever sighting system is to be employed Move the safety lever to the Fi
11. 0 mm at 100 m The spacing between the dots is 1 MRAD or 100 mm at 100 m The thick bars are spaced 10 MRAD apart and are thick enough to enable sighting and centring of the target in bad light conditions 8 2 3 To convert Mil dot to minutes of angle multiply the mils by 3 438 Example 5 mils x 3 438 17 19 MOA R290 AW50 Users Manual 8 2 4 10 MRAD below the horizontal line is a base line and 4 stadia for use as a dual purpose range finder 8 2 5 The stadia can be used to equate 1 m at distances of 400 600 800 and 1000 m respectively which is approximately the distance between the top of a man s helmet and his belt Fig 20 400 800 1000 Fig 20 Range Finding Stadia 400 1000 m 8 2 6 The stadia can also be used equate 250 mm at distances of 100 150 200 and 250 m respectively which is approximately the depth of a mans head FigO 21 100 200 250 Fig 21 Range Finding Stadia 100 250 m 8 3 8 3 1 8 4 8 4 1 8 4 2 8 4 3 8 4 4 8 4 5 8 4 6 8 4 7 Accuracy International Ltd Eye Relief The eye relief of the telescopic sight 3 12 x 50 MK II is set by the factory Since the bolt opening distance determines the head position on the cheekpiece the eye relief remains constant Eye Relief Adjustment To adjust the eye relief adopt the prone firing position Adjust the bipod legs to suite the terrain With the cheek on the cheekpiece the distance between eye and eye
12. 34 36 36 37 38 38 39 41 41 42 42 42 42 43 43 43 44 44 45 46 Fig 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 Accuracy International Ltd Illustrations General Arrangement Parts Identification Cocking Piece Indicator Cocked Cocking Piece Indicator Fired Bipod Fitting amp Removal Of The Bipod Fitting amp Removal Of The Hand Stop Bipod Mount Scope Mount Fitting The Scope Mount Onto The Rail Fitting amp Removal Of The Bolt Setting Up The Rifle Third Leg Adjustment Iron Sights Rear Sight Iron Sights Fore Sight Stripped Magazine Assembly Stripping The Magazine Removing The Base Plate Stage 1 Stripping The Magazine Removing The Base Plate Stage 2 Stripped Magazine Removing The Spring Assembly Schmidt und Bender 3 12x50 MKII 0 2 MRAD Telescope Al Reticule Range Finding Stadia 400 1000 M Range Finding Stadia 100 250 M Eye Relief AW50 Users Manual 1 0 Introduction 1 1 1 1 1 1 1 3 1 1 4 What Is Covered Within This Manual The information contained within this manual will provide the user with sufficient instruction for the continual safe usage of the AW50 and some its common accessories Note Accessories must be specified at the time of order Maintenance and repair instruction beyond what the user could be expected to conduct using the standard user tool cleaning kit is not covered with
13. 4 8 3 Pull and release the trigger 6 times and remove your finger from the trigger 4 8 4 Push the safety lever forward into the FIRE position 4 8 5 Ifthe rifle is operating correctly the firing pin should not be released it will still be retained by the trigger mechanism 4 8 6 Pull the trigger to release the firing pin 4 8 7 If moving the safety lever to the FIRE position releases the firing pin then the rifle is deemed to be unsafe and must be returned to the Base Armourer for maintenance 5 0 5 1 5 1 1 5 2 5 2 1 5 2 2 5 2 3 5 2 4 5 2 5 Accuracy International Ltd Operating Instructions Rifle Assembling The Rifle Rifles are normally supplied as complete units within their transit cases with the scope bolt bipod and magazine already fitted to the rifle Note Rifles will be folded during transit However if the rifles are broken down for transport they will need to be assembled in sequence using the instructions below Unfolding amp Folding The Stock To unfold the stock support the rifle within one arm and taking hold the butt with the other hand give a quick sharp pull to release the retaining spigot from the female bush Continue to pull the stock round until it snaps back into the locked position To fold the stock press the release button located on the right hand side of the chassis just behind the action body Push the rear end of the stock round to the left hand
14. 6 5 5 16 6 5 17 5 17 1 5 17 2 5 17 3 5 17 4 5 17 5 AW50 Users Manual Reloading Remove the expended magazine and insert a fresh one as previously described see section 5 7 Insertion amp Removal Of The Magazine Close the bolt open it fully where was previously left in the closed position to feed a new round into the chamber Move the safety lever to the Safe position The rifle is now loaded cocked and ready to engage a new target Unloading Remove the magazine from the rifle Open the bolt and pull it to its most rearward position i e to touch the bolt stop to allow the fired case to be ejected Check that the rifle is clear of ammunition by looking through the ejection port and using a finger to feel inside the chamber The bolt should be left open unless the rifle is to be put into its transit case in which case Pull the trigger shoe and whilst holding it backwards close the bolt before releasing the trigger Replace an empty magazine in the weapon Unloading A Live Cartridge Set the safety lever as necessary to the Fire position Remove the magazine from the rifle Cup the right hand and position it just to the side and below the ejection port to catch the round as it is ejected Using the left hand reach over the rifle and cycle the bolt to unload the chamber Note The user may maintain a lower profile by reversing the right and left hands within the procedure
15. Note Use of a suitable mounting capable of absorbing the recoil is recommended when the rifle is to be shot in any other position Having adopted the prone position hold the pistol grip with the right hand and pull the rifle firmly into the shoulder Rest the cheek on the butt s cheekpiece so that the eye is looking directly through the sight If necessary adjust position of the telescopic sight to obtain correct eye relief see section 8 4 Eye Relief Adjustment Position the left hand so that it grips the fine adjustment knob on the underside of the butt This provides additional support but it also permits fine adjustments to be made to the height of third leg whilst remaining the firing position Fig 10 Setting Up The Rifle The bipod and the third leg should be adjusted to align the rifle with the target in various terrains and allow the user to comfortably maintain the hold over an extended period of time 20 5 10 5 10 1 5 10 2 5 10 3 5 10 4 5 11 5 11 1 5 11 2 5 11 3 5 11 4 5 11 5 Accuracy International Ltd Bipod Adjustment The bipod s legs can be extended together or independently to compensate for variations in the ground level A castellation along the leg s length allows the spring loaded leg to be extendable and to be locked into a secure position To adjust the bipod s height depress the bipod leg catch release the leg to extend to the castellation appropriat
16. above However it means that it is necessary to reach under the rifle restricting the ease of movement and attempt to catch the round with a potentially weaker hand 5 17 6 5 17 7 5 17 8 5 17 9 Accuracy International Ltd Check that rifle is clear of ammunition by looking through the ejection port and using a finger to feel inside the chamber The bolt should be left open unless the rifle is to be put into its transit case in which case Pull the trigger shoe and whilst holding it to the rear close the bolt before releasing the trigger All live rounds MUST be removed from the magazines either in the rifle or separate prior to being stored in the transit case CAUTION OB 5 18 5 18 1 5 18 2 5 18 3 5 18 4 5 18 5 5 18 6 5 18 7 5 18 8 5 18 9 5 18 10 5 18 11 5 18 12 5 18 13 5 18 14 AW50 Users Manual Zeroing The Rifle To A Telescopic Sight Refer to Safe Handling Instructions see section 4 4 Safe Handling Instructions CAUTION Choose a suitably short range to reduce the wind effects to a minimum typically 100 metres Check that the sight s windage is set to zero and elevation drum is set to a mid range position i e 9 on the top scale Check that the zoom is set to its highest magnification and focus the reticule Open the bolt insert a loaded magazine and close the bolt Whilst looking through the telescope align reticule s aiming point on the targ
17. adjust the dioptre to suit their eye To adjust the dioptre set the zoom to full power Whilst looking through the telescope turn the eyepiece as far left as possible Then turn it to the right until the reticule becomes both sharp and in focus Elevation Adjustment The Elevation drum is the turret located on the top of the telescope It is used to apply aiming corrections in relation of the target range It has two scales e Lower scale is graduated from 0 to 22 MRAD e Upper scale is graduated from 1 to 15 corresponding respectively to 100 m and 1500 m The upper scale provides an indication that the range has been correctly applied Windage Adjustment The Windage drum is the turret located on the right hand side of the telescope It is used to apply aiming corrections in relation to the wind velocity It has one scale graduated from 0 to 6 MRAD to the left and from 0 to 6 MRAD to the right Parallax Adjustment The Parallax drum is the third turret on the left hand side of the telescope This feature allows the user to adjust the telescopic sight s parallax without having to take his eye of the target The range of adjustment is between 50 and 1000 m with an infinity marking If the distance is known turn the drum so that the desired distance aligns with the index point on the turret If the distance is unknown set the zoom to full power Whilst looking through the telescope move the parallax drum in the dir
18. advice Stripping The Magazine Magazines should be stripped if and when they have been exposed to conditions likely to result in a build up of mud grit or rust Care should be taken not the damage the magazine platform or to bend the round securing ears from their original form Fig 14 Stripped Magazine Assembly A Magazine Body D Magazine Spring B Magazine Base E Magazine Base Locking Plate C Magazine Platform Accuracy International Ltd 9 23 2 The magazine platform is under tension Keep a hand over the opening when removing the bottom plate to prevent the spring from jumping out CAUTION 5 23 3 To strip the magazine hold it in the left hand with the bottom plate uppermost 5 23 4 With the nose of a round depress the stud located in the bottom plate and slide the bottom plate forwards part way open Fig 15 Stripping The Magazine Removing The Base Plate Stage 1 5 23 5 Remove the bullet and whilst holding the right hand over the bottom of the magazine slide the bottom plate completely off Fig 16 Stripping The Magazine Removing The Base Plate Stage 2 a1 5 23 6 5 23 7 5 23 8 5 24 5 24 1 5 24 2 5 24 3 5 24 4 5 24 5 AW50 Users Manual The spring is now released slowly lift the right hand away taking hold of the spring as it uncoils from the magazine Fig 17 Stripping The Magazine Removing The Spring Assembly
19. ary stress on the firing pin and bolt assembly pull the trigger shoe and whilst holding it to the rear fully close the bolt before releasing the trigger Replace an empty magazine in the weapon The rifle may now be handled safely Before firing the rifle always check the bore is free of obstructions CAUTION Checking That The Bore Is Free Of Obstructions Check that the rifle is unloaded see section 4 5 Checking That The Rifle Is Unloaded Fold the stock and remove the bolt see section 5 2 Unfolding amp Folding The Stock and 5 6 Fitting amp Removal Of The Bolt for relevant instruction Look through the barrel to ensure that it is free from obstructions and then replace the bolt AW50 Users Manual 4 7 Safety Lever Operation 4 7 1_ The AW50 has two modes of operation e Safe e Fire 4 7 2 There is only one position where the rifle is safe This is when the lever is EXACTLY opposite the white dot under the EGE CAUTION No other position is safe 4 7 3 The safety lever can only be applied after the rifle has been cocked 4 7 4 With the safety lever applied e The firing pin is withdrawn and is physically blocked from coming forward e The trigger is physically blocked e The bolt is locked in the closed position 4 8 Checking The Firing Pin s Safe Operation 4 8 1 Open and close the bolt to leave it in the cocked position 4 8 2 Move the safety lever into the SAFE position
20. ay through two exhaust ports in the action and one in the bolt Note In normal service the gas ports are fitted with red plastic caps to prevent the ingress of debris moisture New caps should always be fitted after gas has been exhausted through the ports The rifle is fitted with a two stage trigger which gives a fine let off Accidental discharge that might be caused by slamming the bolt or dropping the rifle is reduced through increased first stage sear engagement 4 3 4 3 1 Accuracy International Ltd Firing Pin Cocking Indicator The user can ascertain whether or not the rifle is cocked by the position of cocking piece indicator protruding through the rear of the action Fig 02 Cocking Piece Indicator Cocked Fig 03 Cocking Piece Indicator Fired AW50 Users Manual 4 4 Safe Handling Instructions 4 4 1 It is forbidden without any reason to point the rifle at anybody 4 4 2 When users are unaware of the weapon status half loaded loaded or unloaded it should always be assumed that it is LOADED 4 4 3 A weapon which is to be handed over must be presented unloaded and with the bolt open in the rearwards position 4 4 4 Before handling the rifle or attempting any operation the user must ensure theirs and the safety of others by e Standing behind the weapon e Ensuring it is pointing in a safe direction CAUTION Checking it is unloaded and safe to handle 4 4 5 NEVER fire the rifle before you have ens
21. bore with a patch before using a brush CAUTION Refit the jag or patch holder to the cleaning rod and pass through a clean patch to dry the bore and chamber Remove the patch at the muzzle DO NOT pull it back through the bore Repeat this operation if necessary until the patches come out clean a light grey smudge is acceptable Where the rifle is to be stored for a lengthy period or when in a corrosion atmosphere a thin smear of oil should be left in the bore Moisten a patch with CLP 16 oil and pass it once through the bore QA 6 4 6 4 1 6 4 2 6 4 3 6 5 6 5 1 6 5 2 6 5 3 6 5 4 6 5 5 6 5 6 AW50 Users Manual Cleaning amp Lubricating After Firing It is recommended that the barrel be cleaned after each shooting The bore and chamber are easier to clean immediately after shooting whilst the barrel is still warm Where this is not possible the bore and chamber should be thoroughly oiled with CLP 16 oil or similar to assist later cleaning To Clean Heavy Copper Fouling Heavy copper fouling may be seen from the muzzle as a copper coloured residue between the lands although the heaviest fouling will occur towards the chamber Note This operation may not be required for every cleaning Clean the bore and chamber as above see section 6 4 Cleaning amp Lubrication After Firing Remove the jag or the patch holder from the cleaning rod and refit with a correct sized phosphor bro
22. e optimised for the function they must perform something that cannot be achieved with a ruggedised sporting weapon General Description Rifle The AW50 sniper rifle is an evolution which builds on Accuracy International s established family of highly successful AW rifles A bolt action single shot rifle with free floating barrel and a magazine capacity of five rounds fulfils the need for a highly accurate large calibre anti material sniper rifle In common with all the AW rifles it utilises an aluminium chassis system which ensures insensitivity to temperature and humidity thus ensuring a constant zero The AW50 s clamshell polypropylene stocksides and forend are bolted directly to the chassis If required the fore end may be removed for customisation or fitment of alternative mounting support systems A folding stock is standard to improve the rifle s compactness for ease of transit A spring damped butt improves the users comfort during repeated firing by considerably reducing the rifle s recoil The action s integral Mil Standard 1913 rail allows for universal scope mounting Calibre Weight Length Overall Length Folded Action Bolt Trigger Safety Lever Barrel Muzzle Velocity Stock Bipod Rear Support Leg Magazine Carriage Iron Sights Accessory AW50 Users Manual 2 0 Technical Specification Rifle 0 50 BMG 13 5 kg 30Ib Weighed with all magazine
23. e to the desired height Always ensure that the bipod leg catch is securely engaged in the castellation CAUTION Third Leg Adjustment The third leg can be coarsely adjusted via spring loaded quick release mechanism and finally adjusted with the fine adjustment knob to obtain an exact height A castellation along the inner sleeve s length allows the spring loaded leg to be extendable via quick release mechanism and to be locked into a secure position To operate the quick release mechanism take the weight off the third leg and place two fingers either side of the disc below the fine adjustment knob Pull down on the disc to release the leg to extend to the castellation appropriate to the desired height Fig 11 Third Leg Adjustment The height can be finely adjusted within the prone position by using the left hand to rotate the fine adjustment knob e If the butt is too low rotate the knob clockwise to raise e If the butt is too high rotate the knob anti clockwise to lower 21 5 12 5 12 1 5 13 5 13 1 5 13 2 5 13 3 5 13 4 5 13 5 5 13 6 5 13 7 AW50 Users Manual Preparing To Fire The Rifle Ensure that the rifle has been correctly cleaned and lubricated before use see section 6 2 Cleaning amp Lubricating Before Firing and 6 3 Cleaning The Barrel amp Chamber Before Firing Whenever loading reloading or unloading ensure that the fingers are CAUTION kept outside of the
24. ection of the roughly estimated distance until the image is at its as sharpest Now purposely move your eye up and down in the area of the exit pupil whilst simultaneously correcting the parallax compensation drum until no movement is visible between the reticule s centre and the target Note This may also be used for basic range finding 9 0 9 1 9 1 1 9 1 2 9 2 9 2 1 9 2 3 9 2 4 9 2 5 9 2 6 9 2 7 9 2 8 9 2 9 9 2 10 9 2 11 9 2 12 9 2 13 9 2 14 Accuracy International Ltd User Maintenance Telescope General The telescope is non user maintainable Under no circumstances should the user conduct any more maintenance other than routine cleaning of its external surfaces the object glass and eye lens A qualified armourer should carry out all further maintenance If doubt users should seek the armourer s advice Cleaning The Telescope It is not necessary to remove the telescope from the rifle to clean it The lenses are the most important and most easily damaged part of the sight The protective caps should always be fitted when the sight is not in use Lens should not be touched with anything except the recommended cleaning materials CAUTION When cleaning the lenses always use a gentle circular motion working from the centre outwards To clean the lenses remove the caps and sunshade where fitted Large pieces of debris can be removed using a soft lens brush Where the br
25. er If while cleaning and lubricating the rifle the user identifies any faults or damage it should be reported to the Base Armourer Cleaning amp Lubricating Before Firing Before firing the rifle it must be cleaned and lubricated as detailed below Part Lubrication Status Bore chamber amp barrel Exterior N A Leave dry Bore chamber amp barrel Interior Clean and leave dry see section 6 3 Cleaning The Barrel amp Chamber Before Firing Bolt Front face Clean and leave dry Bolt Remaining surfaces Lightly lubricate with CLP 16 oil Action body Lightly lubricate the inside surfaces with CLP 16 oil Stock amp outer bipod legs N A Leave dry Bipod inner legs Lightly lubricate with CLP 16 oil Bipod upper body Lightly lubricate with a smear grease QR 6 3 6 3 1 6 3 2 6 3 3 6 3 4 6 3 5 6 3 6 6 3 7 6 3 8 6 3 9 6 3 10 6 3 11 6 3 12 6 3 13 AW50 Users Manual Cleaning The Barrel amp Chamber Before Firing Before cleaning the rifle ensure that lenses of the telescopic sight are covered CAUTION The use of a pull through is not recommended The preferred option is to use a cleaning rod Care must still be exercised when using the cleaning rod to avoid causing damage to the bore and chamber The potential for chamber wear can be greatly reduced by using a rod guide to ensure that the cleaning rod is held in the in the cent
26. et s aiming mark Fire one shot Sandbag or hold the rifle carefully so it cannot move from its original point of aim Taking care not to move the rifle gently rotate the windage drum until reticule is in vertical line with the shot hole e If the shot is too much to the left rotate the windage drum clockwise e Ifthe shot is too much to the right rotate it anti clockwise Still taking care not to move the rifle rotate the elevation drum until the reticule s aiming point is over the bullet hole e If the shot is too low rotate the elevation drum clockwise e If the shot is too high rotate the elevation drum anti clockwise Note Where there is insufficient movement to allow the drums to be adjusted loosen the two grub screws securing the drum Rotate the drum to allow additional movement in the direction required before retightening the grub screws Fire a second shot at the original aiming mark or 2 to 3 to form a group Click the windage and elevation drums to finely adjust the reticule s aiming mark over the point of impact Fire a five shot group and make any final adjustments Repeat group if required for confirmation 5 18 15 5 18 16 5 18 17 5 18 18 5 18 19 Accuracy International Ltd On completion of zeroing record of the position of elevation and windage drums Whilst holding the drums firmly between the fingers so as not to lose the setting loosen the grub screws 2 ea per dru
27. fety Lever C Scope Mount J Hand Stop Bipod Mount P Folding Stock Hinges D Telescope K Bipod R Folding Stock Retaining E Muzzle Brake SL Sling Loop Attachment Points Spigot F Third Leg Support L Folding Stock Release Button G Third Leg Adjustment M Bolt Handle Fig 01 General Arrangement Parts Identification 4 0 4 1 4 1 1 4 2 4 2 1 4 2 2 4 2 3 4 2 4 AW50 Users Manual Safety General This manual must be read and fully understood before attempting to use the weapon system From time to time the manual uses cautionary notices to alert the user to either safety imperative or potential instances which may result in causing damage to the weapon system as shown below The safety precautions set out under section 4 4 Safe Handling Instructions must be strictly adhered to when e On initial receipt of weapon e Before operating the rifle CAUTION After use before maintenance Before any inspection When the documentation recommends it Safety Features The AW50 s bolt utilises six forward locking lugs When in the closed position the bolt head is completely enclosed and supported within the lock ring and the action body The firing pin cannot protrude from the front of the bolt face unless the bolt is in the fully closed position Gas leakage from the rear of the action is minimised by a tight fitting bolt Should there be an excessive build up of gas it will be safety vented aw
28. ges Our Sales team are available to discuss how we may be of assistance to you now and in the future UK amp Rest Of World Excluding USA Accuracy International Ltd P O Box 81 Portsmouth Hampshire PO3 5SJ United Kingdom Tel 44 0 23 9267 1225 Fax 44 0 23 9269 1852 Email precision accint org USA Only Accuracy International North America P O Box 5267 Oak Ridge TN 37831 USA Tel 865 482 0330 Fax 865 482 0336 Email AINA accuracyinternational org AR AW50 Users Manual 13 0 Shooting Log Rifle Serial No Barrel Serial No Daily Cumulative Daily Cumulative Bae Rounds Rounds Comments ee Rounds Rounds Comments
29. in this document The user should attempt no weapon stripping beyond that mentioned herein The AW50 Maintenance Manual provides detailed maintenance and repair instruction This manual assumes a basic level of user familiarity with shooting Note The manual has been written assuming the user is right handed Operating instructions may need to be varied to accommodate a left handed user 1 2 1 2 1 1 3 1 3 1 Accuracy International Ltd Accuracy International Accuracy International was formed in 1978 to design and build tactical rifles The original design ethos combined two factors into a unique package Namely the incorporation of performance enhancing features learned in Olympic and international target shooting onto a platform exhibiting full military ruggedness The current designs faithfully follow this original concept but also benefit from over twenty years of continuous improvement These improvements are not cosmetic but are driven solely by the needs of the users highly trained military and police units in over 50 countries worldwide Such units are exposed to live tactical situations on a daily basis and in the most demanding environments where first shot accuracy is critical The rifles are produced in a purpose built 20 000sq ft facility in the UK operating a management system certified to BS EN ISO9001 All components are manufactured to Accuracy International s designs to ensure that they ar
30. m using the universal Allen key set Rotate the drums to zero and re tighten the grub screws The rifle is now zeroed By using the elevation markings on the sight drum and a graph the true settings at various ranges can be established and marked on the graph when shooting with the same ammunition type as used when the rifle was zeroed A graph will enable the sniper to establish the correct elevation setting at all usable ranges 27 5 19 5 19 1 5 19 2 5 19 3 5 20 5 20 1 5 20 2 5 20 3 5 20 4 AW50 Users Manual Iron Sights A disc type iron sight set is provided with the AW50 for use in the event of a failure with telescopic sight The sight has settings for ranges of 200 400 600 800 and 1000 metres A larger aperture for use in low light conditions is provided at number 4 400 metres position For zeroing purposes the rear sight is adjustable for windage and Foresight adjustable for elevation Fig 12 lron Sights Rear Sight Fig 13 lron Sights Fore Sight A Mount Securing Screw B Windage Adjustment Screws C Range Elevation Disc Mount Securing Screw Post Vertical Adjustment nmo Fitting amp Removing The Iron Sights To fit the rear sight use the universal Allen key set to loosen the screw in the mount s base until there is sufficient clearance for it to be fitted to the rail Note The mount does not have a recoil lug so it can be slid along the rail
31. nze brush Allow the solvent to penetrate for approximately 5 minutes Refit the jag or patch holder to the cleaning rod and pass through a clean patch to dry the bore and chamber Remove the patch at the muzzle DO NOT pull it back through the bore Heavy fouling will show as blue on the patch Repeat this operation as necessary until the patches come out clean Solvents must be used sparingly any excess spillage outside of the barrel must be removed immediately CAUTION Accuracy International Ltd 7 0 Recommended Lubricates amp Cleaning Solutions Lubricant Cleaner Part Number Typical Uses CLP16 oil Al15 0968 General cleaning and lubrication of action and rifle exterior Penetrating oil ZX 54 8030 99 923 1633 Lubrication of the trigger Grease XG 279 8030 99 220 2418 Parts inside the shroud Scope mount Breakfree Bore Cleaner BC4 Bore solvent 27 8 0 8 1 8 1 1 AW50 Users Manual Operating Instructions Telescope General Description Telescope Accuracy International recommends the Schmidt und Bender 3 12x50 MKII 0 2 milli radian MRAD telescopic sight for use with the AW50 The telescopic sight is composed of three drums allowing adjustments for elevation windage and parallax Full movement of the elevation and windage drums can be carried out in one complete turn A click on either scale moves the sight reticule by 0 2 MRAD
32. piece should be approximately 8 cm Where adjustment of the eye relief is required loosen the three scope mount screws and move the sight mount assembly forward or rearwards to the next position on the Picatinny rail Before re tightening the mount securing screws ensure that the mount s recoil lugs are pushed forward against the back of the slot in the rail It is recommended that the scope is re zeroed following any changes to its position Do not adjust the eye relief by unscrew the clamp securing screws and slide the telescopic sight within its mount CAUTION When the distance between the eye and the eyepiece is too short a shadow is produced at the extreme edges of the reticule and the field of view will be narrower Fig 22 b When the distance between the eye and the eyepiece is too long the extreme edges of reticule are not visible and the field of view will be narrower Fig 22 c When the distance between the eye and the eyepiece is correct approximately 7 cm the whole of the reticule and the full field of view will be visible Fig 22 a Fig 22 Eye Relief 41 8 5 8 5 1 8 5 2 8 5 3 8 6 8 6 1 8 6 2 8 6 3 8 6 4 8 7 8 7 1 8 7 2 8 7 3 8 8 8 8 1 8 8 2 8 8 3 8 8 4 8 8 5 8 8 6 AW50 Users Manual Eyepiece Dioptre Adjustment A user with perfect sight will obtain a sharp image when the dot directly opposite the 0 position however most users will need to
33. re position Push the rifle firmly into the bipod with the shoulder to pull back on the bipod can cause vertical stringing of shots especially on soft ground Place the finger naturally on the trigger without pulling it Whilst taking a few deep breaths take up the first pressure Breathe out normally and perfect the aim whilst applying a gradual increase of trigger pressure to fire Note Exhaling reduces pulse beat whilst in the prone position on the ground Maintain trigger pressure and concentration on the aim until the weapon recovers from the recoil follow through Release the trigger resume normal breathing and observe the target To minimise the movement of the rifle and body right handed users only remain in the aim position during recycling Place a thumb on the top of the action and grasp the bolt handle with the fingers of the right hand Bring the fingers up towards the thumb If any resistance is felt during the initial unseating of the fired case primary extraction increase the upward pressure on the bolt handle Pull the bolt to its most rearward position i e to touch the bolt stop to allow the fired case to be ejected and to pick up the next round Push the bolt forward to feed the next round into the chamber and close the bolt Repeat this sequence of operation if further shots are necessary 23 5 15 5 15 1 5 15 2 5 15 3 5 15 4 5 16 5 16 1 5 16 2 5 16 3 5 16 4 5 1
34. re of the bore Lock the stock in the folded position see section 5 2 Unfolding amp Folding The Stock Securely hold the rifle on a level plane by a suitable means ideally between the protected jaws of a bench vice where available Depress the bolt release catch and remove the bolt see section 5 6 Fitting amp Removal Of The Bolt To avoid damaging the muzzle the cleaning rod must always be inserted from the breech end CAUTION Gently push the rod guide through the action and into chamber until a click is heard signifying that the bolt catch has engaged Ensure the rod is clean before affixing a clean patch 10 cm x 5 cm via a jag or the patch holder When cleaning the bore with patches always work in one direction breach to muzzle DO NOT pull used patches back through the bore CAUTION Moisten a patch with Bore Solvent and push it once through the bore via the rod guide and of the muzzle to wet the bore Remove the soiled patch from the cleaning rod DO NOT attempt to pull the patch back through the bore 6 3 14 6 3 15 6 3 16 6 3 17 6 3 18 6 3 19 Accuracy International Ltd Remove the jag or the patch holder from the cleaning rod and refit with a correct sized phosphor bronze brush Whilst the bore is still wet wet the brush with solvent and pass it completely through the bore in each direction several times Repeat with fresh solvent if necessary Always wet the
35. the bolt handle in the right hand Raise the handle and slide the bolt rearwards until it stops on the bolt catch Using the left hand depress the bolt release catch and fully withdraw the bolt from the action Fig 09 Fitting amp Removal Of The Bolt Accuracy International Ltd 5 7 Insertion amp Removal Of The Magazine 5 7 1 The box magazine is inserted by locating it into the opening in the underside of the rifle 5 7 2 Hold the magazine by its base using the left hand and push it upwards until the catch engages 5 7 3 Correct engagement can be assured on hearing an audible click when the magazine is pushed home 5 7 4 Alternatively when operational the user can reduce the noise made inserting the magazine by holding the magazine release catch open whilst the magazine is pushed home 5 7 5 Always check that the magazine has been correctly engaged and is secure by pulling down on the base plate CAUTION 5 7 6 To remove the magazine push the magazine release catch forward with the thumb of the right hand whilst holding the left hand underneath the magazine to support it as it comes away from the rifle 5 8 5 9 5 9 1 5 9 2 5 9 3 5 9 4 5 9 5 5 9 6 5 9 7 AW50 Users Manual Setting Up The Rifle Holding The Rifle In its standard form the rifle has been designed for shooting from the prone position utilising the bipod and the third leg to support and help absorb recoil
36. to whatever position the user finds comfortable when in the prone position Tighten the mount s screw To fit the foresight locate the sight s keyway over the muzzle brake s mating face with the post foremost so that the securing screw can be tightened using the universal Allen key set Loosen the screws to remove the sights 5 21 5 21 1 5 21 2 5 21 3 5 21 4 5 21 5 5 21 6 5 21 7 5 21 8 5 21 9 5 21 10 5 21 11 Accuracy International Ltd Zeroing The Rifle To The Iron Sights Refer to Safe Handling Instructions see section 4 4 Safe Handling Instructions CAUTION Set up a large target at 200 metres Rotate the rear sight s disc to the number 2 position and ensure that the body of the sight is centrally located on its base see below for instruction on how to adjust Open the bolt insert a loaded magazine and close the bolt Look through the disc s number 2 hole and with the targets aiming mark centrally aligned within the aperture position the top of the post so that it is central and aligns with the base of the aiming mark Fire three shots and note the Mean Point Of Impact MPI on the target For horizontal adjustments to the MPI use the universal Allen key set to loosen the windage screws on either side of the sight s main body e f MPI is too much to the left move the sight to the right by undoing the right hand side screw and tightening the left by equal amoun
37. ts e If MPI is too much to the right move the sight to the left by undoing the left hand side screw and tightening the right by equal amounts Note If the error is too great and cannot be adjusted by the rear sight s windage screws coarse adjustment may be obtained by loosening the muzzle brake s two clamp screws However the direction of adjustment is reversed Vertical adjustments are carried out by moving the post s height within the foresight e Ifthe MPI is too low turn the screw clockwise to lower the post e If the MPI is too high turn the screw anti clockwise to raise the post Repeat the process above as required until a satisfactory zero is achieved Upon completion note where the rear sight is fitted on the rail as any deviation may affect the zero The rifle is now zeroed at 200m range elevations are achieved by rotating the disc to the required range 2Q 5 22 5 22 1 5 22 2 5 22 3 5 22 4 5 23 5 23 1 AW50 Users Manual Disassembling The Rifle The user should not disassemble the rifle further than that previously described within section 5 1 Assembling The Rifle Unlike other AW rifles the AW50 s bolt assembly is non user maintainable Under no circumstances should the user conduct any more maintenance other than routine cleaning and lubrication of its external surfaces A qualified armourer should carry out all further maintenance If doubt the user should seek the armourers
38. ured rifle that e The muzzle brake is securely fitted and is not clogged or obstructed The serial numbers of the action body and the bolt assembly CAUTION match 4 4 6 Failure to fully close the bolt every time the bolt is manipulated could result in a live round being left in the chamber as the extractor does not engage the cartridge rim unless the bolt is fully closed 4 4 7 When operating the bolt ALWAYS cycle fully i e completely open and close the bolt every time it is manipulated CAUTION 4 4 8 Tactical movements with a loaded weapon are only to be performed with the safety lever set to the SAFE position opposite the white dot 4 5 4 5 1 4 5 2 4 5 3 4 5 4 4 5 5 4 5 6 4 5 7 4 5 8 4 5 9 4 6 4 6 1 4 6 2 4 6 3 Accuracy International Ltd Checking That The Rifle Is Unloaded Remove the magazine from the rifle see section 5 7 Insertion amp Removal Of The Magazine and ensure it is clear of ammunition Check that the safety lever is set on the FIRE position opposite the red dot Raise the bolt handle and slide the bolt fully to the rear Check that the action is clear of ammunition by looking through the ejection port and using a finger to feel inside the chamber The bolt should be left open or removed whilst handling rifle see section 5 6 Fitting amp Removal Of The Bolt for instruction on how to remove the bolt To close the bolt without causing unnecess
39. ush fails to remove debris adhered to the lens surface it should be washed in soapy water to gently loosen and wash away the deposits The lens should then be wiped dry with a clean lens cloth Spots and stains can be removed by wiping the affected area with clean lens cloth or disposal lens tissues wetted with a drop of methylated sprits Dust and smears are removed by breathing gently on the lens before carefully polishing with a clean lens cloth or disposal lens tissues Following cleaning replace the caps and sunshade where fitted The scope s body should be cleaned by a wipe over with a clean cloth When it is necessary to remove the sight from the rifle the opportunity should be taken to lightly oil the sight retaining screws and the mounting bracket after it has been cleaned Ensure no oil comes into contact with the surface of the lenses CAUTION AR 10 0 10 1 1 _h _h HM WN AN KR K N NAAN K AW50 Users Manual Accuracy amp Ammunition All of Accuracy International s sniper rifles are capable of very fine accuracy and consistent first shot capability However this performance is reliant on the quality and capability of the ammunition used No matter how good the rifle is it will only shoot to the capability of the ammunition For optimum results Match grade ammunition with specified accuracy capability should be used User Tips Obtain a shooting position where the bolt can
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