User`s Manual - Horus Vision
Contents
1. 25 28 issue 29 rH 30 CONAC uaan DIRE 31 INTRODUCTION ABOUT HORUS VISION Horus Vision s cutting edge technology improves shooting accuracy at extended ranges and increases the likelihood of a first round hit Our patented reticles reduce the need for manual scope manipulation and mental calculation Horus Vision s simplified shooting system improves accuracy at any distance and can make anyone an expert marksman Horus Vision s ATrag ballistics software algorithms were developed and refined by the former chief of ARDEC s small arms division William C Davis Horus Vision was founded in 2000 and is headquartered in San Bruno California SAFETY WARNING Always use great care with all firearms A mistake in judgment or lapse of attention can result in serious injury or death The information in this manual while believed to be accurate at the date of publication is not warranted or represented to be accurate correct or useful for any particular purpose Use the information in this manual with caution and common sense and verify it with respect to your own firearms before use The author and publishing company accept no responsibility for errors in the information presented herein or for accidents injuries damage or any other problems which migh2. 22 MIL 4 MIL DOTS 04 MIL amp 1 2 j 1 2 LINE WIDTH 028 MIL LINE WIDTH 014 MIL Lu 50 3 30 20 _ _ _ zo 30 di 50 80 4 4 ONT OSH DHT HoT amp 4 DO D TS ee ee NN S 2 E 2 4 d 4 a de 8 0h s 10 12 zz 12 14 14 18 d 18 18 95 18 204 E m E meena ann ahah x E sm 32 d Ji 34 i 59 U S Pat 6 032 374 U S Pat 5 920 995 Figure 17 Full view of the H59 reticle 24 TReMoR2 RETICLE 38 mils 131 MOA total elevation available at 3 5x 8 mils 27 MOA at 21x Precise calibration of measurements to within less than 0 5 center dot is 0 05 mil wide w 0 1 mil gap on each side 1 mil 2 semi Bees K 5 n rm lI 3 n a um 424 Figure 18 The 2 reticle with specs 25 0 5 mil long gt 1 mil 0 9 mil long 0 8 mil long 0 7 mil long 0 2 mil long major hashes 0 3 mil lon 0 03 mil wide 0 6 mil long gt 0 2 mil long minor hashes main stadia 0 015 mil wide 0 05 mil wide 0 5 mil long gt fitte 1 1 mil grid hashes extend oe Standard Horus Grid i i 0 15 mil long 0 015 mil thick Hashes 0 15 mil long 2 ele e s 2 with 0 2 mil gap N numbers are place
3. Large turrets for easy adjustments with gloved hands Large markings for readability in all conditions Innovative reticle that allows continuous sighting through the scope eliminating the need to view ballistic drop compensation BDC or target turrets No need to dial in elevation and windage adjustments for each shot Adjustable side parallax Rapid transition between targets at multiple ranges without altering the shooter s cheek to stock weld or body position Innovative reticle that allows continuous sighting through the scope eliminating the need to view ballistic drop compensation BDC or target turrets Fail safe system for Second Shot Correction of observed impacts at highest magnifications Shooter and spotter system for accurate talk on to targets when using Horus reticles in both rifle and spotting Scopes Enhanced ability to self spot for range finding windage moving target leads and follow up shots at highest magnifications Reticle placement in the first focal or image plane 1FP allowing calibrated use of all mil measurements and holds at any magnification Milliradian based metric range finder and measuring scale Provides 3 5 eye relief 10 H59 RETICLE HDMR can be purchased with either of two reticle choices the H59 or TReMoR2 Both reticles offer advanced opeed Shooting features not available in other Horus reticles for rapid acquisition of targets out to 600 met
4. For example if your first shot impacts 2 mils low and 1 5 mils right dial 2 mils 20 clicks up and 1 5 mils 15 clicks left see the previous section for information about rotating the turrets Center the reticle over your intended POI and fire another round Repeat steps 5 and 6 until repeated shots are successfully centered at the intersection of the target s vertical and horizontal lines Fire a five round group at a clean target Adjust zero as needed and confirm with additional groups until it perfectly matches your intended POI Lock the elevation and windage turrets into place by pushing them in toward the center of the scope From this point on use only the gridlines on the Horus reticle not the turrets to make adjustments for wind and elevation Remember to always verify your zero and develop data with the ammunition that you will be using for any sport shooting or hunting purpose ADJUSTING FOR PARALLAX Parallax is a perceived displacement or difference in the apparent position of an object viewed along two different lines of sight In rifle scopes parallax error occurs when the reticle and target are in different focal planes This results in the reticle crosshairs appearing to move to different points on the target when your eye moves behind the scope s eyepiece To eliminate aiming errors caused by parallax adjust the parallax adjustment also called side focus knob until the target appears in the same plane of focus as
5. elevation hold for your target without using the traditional mil relation formula for range finding This method works very well for targets out to 600 meters As show in Figure 13 Speed Shooting Drop Markers occur along the reticle s main vertical stadia down to the 5 mil drop line You ll notice that marker heights decrease by 0 1 mils from one drop line down to the next 4 9 mil Figure 13 Speed Shooting Drop Markers are embedded directly into the TReMoR2 s main vertical stadia from drop lines 1 5 providing a visual system for rapid drop adjustments for targets out to 600 meters As shown in red marker heights decrease by 0 1 mils from one Speed Shooting Drop Marker down to the next The steps for determining an expedient hold are as follows 1 Locate a 12 portion of the target such as the area from the top of a threat target s shoulder to the top of the head Any 12 object near the target will work 2 Find the Speed Shooting Drop Marker that best brackets the 12 target as shown in Figure 14 left 3 Adjust slightly downward vertically centering the target behind the drop hold line associated with the selected opeed Shooting Drop Marker as shown in Figure 14 right and fire 2 re 2 2 2 ee x ie 1 ao TRADAM pe a 3 FERME ee 5 6 5 6 6 B 6 T D 7 D Figure 14 LEFT The reticle image at left depicts a 12 inch target best bracketed by the Speed Shooting Drop Marker on the 3 mil
6. you can place wind holds instantly on drop lines 1 9 15 Determine Wind Marker Speeds Use any of the following methods to determine the wind value specific to your weapon system 1 Kestrel with Horus The Kestrel with Horus handheld unit combines ballistics software with advanced weather tracking Look under the Accuracy 1st option under target then find the wind dot value Visit http www horusvision com horus kestrel php for Kestrel with Horus product information 2 TReMoR2 Wind Dot Calculator The Horus web site provides a free web tool for determining wind values located at http www horusvision com tremor wind dot calc php The tool calculates wind dot values based on weapon and atmospheric data you provide 3 ATragMX v3 85 ATrag software puts you on target with sophisticated ballistics data based on your weapon target and environment ATragMX version 3 85 contains a TReMoR Wind Dot Calculator For more info visit http www horusvision com atragmx php 4 Ballistic Solver Alternately you can use a ballistic solver to determine wind value For example first find the mil hold for a 20 mph wind for a target on an even numbered drop line Look on the range card for an even number for elevation then determine the wind hold for a target of that distance Say you find that on the 4 mil line a 20 mph wind would require a 2 5 mil wind hold Next draw a line from the main horizontal stadia s 2 5 mil marker downward to intersect
7. drop line RIGHT At right the target is then vertically centered directly behind the 3 mil drop line 19 The TReMoR2 s Speed Shooting Drop Markers are optimized for 308 caliber but may be used with many other calibers This process works well for many cartridges and weapon systems but not all will impact exactly the same However this system should place you close enough to make a solid hit all else being equal If shooting with a different caliber or muzzle velocity you may need to add to or subtract from the original elevation hold to adapt the formula for your needs The HDMR s 2 reticle allows the traditional methods of determining range and holdover for elevation based on the mil relation formula yielding great accuracy However the Speed Shooting Formula provides a faster method for technical shooting at moderate ranges out to 600 yards meters with common weapon systems 20 ADDITIONAL INFORMATION Horus Vision scopes and reticles make the complex process of precision shooting faster and easier From the point where you identify a target to the point where you follow through to confirm the hit there are several critical steps where Horus technology makes a difference Ranging Use of grid for holdover Wind holds and or moving target lead lines Follow through and Second Shot Correction pue You can explore these steps in greater detail in the Horus Vision Tactical Manual Please refer to it for p
8. the reticle This will give the appearance of the reticle crosshairs painted on your target so you can be confident in an accurate shot Even experienced shooters can significantly improve accuracy with proper parallax adjustment 1 2 Once the scope is properly mounted and zeroed securely position the rifle on a bench If you know the distance to the target turn the knob so that the corresponding distance in yards lines up with the index mark on the body of the scope If you don t know the distance to the target first set the scope to the highest power 21x and then turn the side focus knob until you see a sharp image of the target Look through the scope and shift your eye position from side to side and note if the crosshairs appear to move across the target Alternately turn the parallax adjustment knob and then shift your eye position until you have eliminated the illusion that your crosshairs are moving across the target It may take several tries before you ve found the proper adjustment Fire a five round group at a clean target to see how much your grouping has improved SLIPPING THE DIALS ZERO Your Horus scope is designed to allow all deviations from zero for windage and elevation to be made within the reticle as opposed to the conventional method of dialing windage and elevation turrets You may elect to index the turrets on 0 once the rifle is zeroed to allow a return point for zero in the event you a
9. with the 4 mil drop line Note the number of wind markers between the intersection point and the reticle s main vertical stadia in this case 5 Finally divide the wind speed in this case 20 mph by the number of wind markers you noted The result 4 in this case is your weapon s wind value 20 mph 5 wind markers 4 wind value See Figure 10 Figure 10 The Ballistic Solver method for determining wind marker values is illustrated for a 20 mph wind with a 2 5 mil wind hold and 4 mil drop hold To determine TReMoR2 wind values we divide the wind speed 20 mph by the number of TReMoR2 wind markers 5 circled in green which occur on the 4 mil drop line before the 2 5 mil wind hold 20 5 4 Hence 4 is the TReMoR 2 wind value 16 Once you ve determined your wind value you can quickly calculate all seven wind marker speeds The first wind marker s speed is equal to your weapon s wind value To determine the next wind marker speed simply add your weapon s wind value to the preceding marker s speed For example a weapon value of 4 determines the first marker s speed as 4 mph For the second marker s speed add 4 to 4 mph for a value of 8 mph For the third maker s speed add 4 to 8 mph for a value of 12 mph Applying this simple process to all seven wind markers would produce the following speeds from reticle center outward 4 mph 8 mph 12 mph 16 mph 20 mph 24 mph and 28 mph See Figure 9 Place Wind Hold Once you ve determined
10. Software Calibration Spotting Horus Vision Model 2000 series User s Manual 3rd Edition February 2013 HORUS February 01 2013 Copyright 2013 Horus Vision LLC All rights reserved Patent pending Written consent of Horus Vision LLC is required to copy or use any of the material in this manual 1 CONTENTS 9 PEN E 3 VISIOR ues tam te Hb pa ce cee eae EC EM M a ea 3 3 ice lillo iaia 4 Mounting ea M 4 El evaton and 5 Zoon Or miS RU ce cone EE ili 5 Adjusting oriiarelldX uiu educ bonus toes duds aseo ton cere er eee ee 6 olipping the Dials 972 a on IS alal 7 Introduction to HDMR Multi Purpose Riflescope ii 8 MINAS 9 QE LE ra 10 11 TREMOR2 M 14 Additional Informationi a Rieti 21 rechnnical Datasport 22 HDMER Sc0ope Specilicalionsssa uil oe 22 MOS REIGIESpecilicalionsS reale 23 2 Reticle
11. allows 26 mils of elevation 5 mils per revolution adjustable in 1 10 mil clicks with large locking turrets that are easily turned and has a crisp feel even through gloves It has side parallax adjustment and high quality lenses with superior anti reflective Ultra Wide Band Coating that delivers 95 percent light transmission Made from hammer forged T6061 aluminum the HDMR is 100 percent waterproof fog proof and shock proof It s purged with Argon gas decreasing the probability of seal corrosion Table1 HDMR features 3 5 21x50mm power Choice of non illuminated reticle 59 TReMoR2 Rapid engagement reticle features e Moving target lead lines e Elevation compensation using Accuracy 1 Speed Shooting markings KEY USER CONTOLS Figure 3 The multi purpose rifle scope Numbers correspond to key user controls in following list Diopter adjustment ring Zoom power adjustment ring Windage turret Elevation turret Parallax adjustment knob One piece 34 mm main tube 50 mm objective bell Sunshade YS CHARACTERISTICS OF THE HDMR Very low magnification variable to high powers Rapid acquisition of targets High quality lenses with superior optical coatings yielding sharp crisp images in both bright and low light Light weight short scope with durable one piece 34mm tube Non llluminated reticles Accurate range finding to within 0 2 mil Locking turrets in 1 10 mil clicks
12. ble to 2 1 so the scope can be used with or without corrective lenses To establish proper eye relief hold your rifle in a stable shooting position and close your eyes Position the rifle into your shoulder as if firing and then open your eyes If the eye relief position is correct you shouldn t see any black or hazy outer ring vignette effect within the FOV If the image is not complete or clear lower the rifle and gently slide the scope forward or aft in the rings and then repeat the above exercise It helps to have someone move the scope while you maintain position Continue this procedure until the image is correctly viewed through the eyepiece when you open your eyes Once youre satisfied that the scope is properly aligned on the rifle repeat this exercise four or five times in quick succession to ensure that your positioning is correct If you intend to fire from alternate positions regularly check eye relief in those positions as well since they ll change the relationships between shoulder head and arms Set up your eye relief for whatever body position you will most likely use the majority of the time Before tightening the top portion of the rings place a spirit level on the elevation turret to check level against the rifle s receiver If the rifle has a Picatinny top rail on the receiver use that surface as the index to level the scope off of If no rail is available use the best horizontal surface you can find such as the bot
13. d at 4mph lead position 9 ee is 9 31 Two outer hashes 0 15 mil long Ec inner hash large dot 0 02 mil long oid se o 4 eo 0 1 mil diamter with 0 1 mil gaps small dot 0 05 mil diamter h 5 Ath wind dot 7 isa cross 0 15 mil line lengths 6 6 4 4 T 8 8 Figure 19 The TReMoR2 reticle with specs pras T D 1 1 1 1 i inini ii inimi if inis 12 4 418 B T Beet Tek 1 22 4 4 39 T 5 4 2 92 1 HB jenen bee ne 38 i TRe U S Pat 11 5 Pat Figure 20 Full view of the TRemor2 reticle Cg CC 42 4 21 2 5 da 10 ziii nii fi inini ii inimii 1 1 1 1 18 Teds Rigi 8 T B ID 22 ib 24 on sa y 1 1 4 n T B 10 li 432 a oR 2 6 032 374 5 920 995 2 GENERAL CARE Your Horus scope requires very little maintenance The following simple steps will ensure maximum optical performance Wipe clean all exposed optical sur
14. djust the turrets for any reason To set the dials to zero in this manner loosen the turret bolt on top of the turret using a large coin such as a quarter Once the turret bolt is loose or removed carefully pull the turret from its base Rotate it until the O mark indexes on the thin white line as depicted in Figure 2 and push the turret back down into place Take care not to inadvertently turn the turret while performing this procedure as it will alter the scope s zero point Once the turret has been set to 0 reinstall and tighten the bolt Always verify zero after resetting the dials Important Do not attempt to loosen the screws beneath the turret bolts of the windage and elevation turrets as these are only to be removed by a Horus Vision authorized warranty station Figure 2 Slipping the elevation and adjustment turrets to O will provide a definitive index point to return to in the event you ever adjust them off zero INTRODUCTION HDMR MULTI PURPOSE RIFLESCOPE The HDMR 3 5 21x50 riflescope is meant for all current weapon platforms multiple types of engagement and versatile ranges of distance Its long zoom ratio makes for an incredibly versatile scope A joint offering with Bushnell Outdoor Products the HDMR is a non complicated rugged compact scope at a good price point At roughly two pounds and a compact 13 inches the HDMR is one of the lightest and shortest 34mm tube scopes on the market The larger tube
15. en markings such as 5 mph you hold between the even numbers on either side of it 4 and 6 mph Figure 5 The Accuracy 1 Speed Shooting Formula allows use of the numbers along the horizontal stadia to rapidly acquire moving targets This example shows a hold for a target running at approximately 8 mph from right to left 12 SPEED SHOOTING ELEVATION HOLDS The H59 s moving target lead lines incorporate the Accuracy 1 Speed Shooting Formula to help you rapidly determine an elevation hold for your target without using the traditional mil relation formula for range finding The steps for determining an expedient hold are as follows 1 Locate a 12 portion of the target such as the area from the top of a threat target s shoulder to the top of the head Any 12 object near the target will work 2 Find the line above the horizontal stadia that best brackets the 12 target between the moving target lead line and the horizontal stadia as shown in Figure 6 left 3 Note the number corresponding to the lead line in step 2 divide that line value in half For example if the head to shoulders area fits between the 4 mph lead line and the horizontal stadia line divide that in half to get a value of 2 4 Place the 2 mil elevation hold usually expressed as 2 mils high or 2 mils on target as shown in Figure 6 right and fire This process works well for many cartridges and weapon systems but not al
16. ers Both reticles also feature the Standard Horus Grid for dispatching targets from 0 1500 meters Overview The H59 is an improved sniper reticle providing more windage and elevation hold capability than any optic in its class Unobtrusive Holdover Dots extend the Standard Horus Grid while allowing for a clear uncluttered view The H59 s advanced features include Speed Shooting Drop Markers to rapidly engage targets without knowing range and Moving Target Holds The Standard Horus Grid is also included for traditional mil based shooting Figure 4 The H59 reticle shown at high magnification LEFT and low magnification RIGHT 11 MOVING TARGETS HOLDS You ll notice in Figure 5 that the H59 has a series of even numbers above the main horizontal stadia These numbers represent speeds for moving targets at 2 4 6 8 and 10 mph with additional holds starting at 20 mils and continuing every 10 mph thereafter to the left and right These speeds are optimized for 308 caliber but may be used with many other calibers To hold on a target moving at one of these speeds simply hold the portion of the horizontal stadia that intersects with the short line nearest the number representing the target speed over the moving target accounting for possible adjustments for distances different from optimal If using the Horus grid below center for elevation use a hold point in line with the appropriate speed To hold on a target traveling at a speed betwe
17. faces occasionally with the lens cloth provided Maintain metal surfaces by removing any dirt dust or sand with a soft brush to avoid scratching the finish then wipe down with a damp cloth followed by a dry cloth For best luster and corrosion resistance finish by wiping metal surfaces with a silicone cloth Protect your scope with lens caps when not in use Figure 21 The HDMR with lens caps in place 28 LIMITED LIFETIME WARRANTY The HDMR scope is covered by Bushnell s Limited Lifetime Warranty For more information visit the warranty section on Bushnell s website http bushnell com global customer service warranty information To initiate repairs or replacements covered by warranty contact Bushnell s Customer Service department http bushnell com global customer service 29 LEGAL NOTICE HORUS VISION and the EYE OF THE FALCON logo are registered trademarks of Horus Vision LLC and may not be used in any manner without express permission from Horus Vision LLC SECOND SHOT TACTICAL SOLUTIONS and TARGETING SOLUTIONS are trademarks of Horus Vision LLC and may not be used in any manner without express permission from Horus Vision LLC Horus Vision software products and written and visual materials are protected by U S and international copyright protection and may not be used in any manner without express permission from Horus Vision LLC A wide variety of scopes reticles software compute
18. ion turret counter clockwise will move the POI up the field of view top Rotating the windage turret counter clockwise will move the POI right in the field of view bottom ZEROING YOUR HORUS SCOPE While our scopes can be zeroed at any distance it is recommended that the zero be exactly 100 meters or yards Regardless of zero range it is critical that the measurement be precise The following recommended method of zeroing will eliminate problems while saving time and ammunition 1 Measure the distance from the rifle to the target to ensure a precise zero measurement 2 Use 18x18 inch or larger sheet of paper with 72 inch vertical and horizontal lines drawn to intersect at the center of the paper Use a plumb or level to attach the paper to a target backer so that the lines are level 3 Set your scope power ring to maximum power 21x and make sure the elevation and windage turrets are set to 0 4 Superimpose the Horus reticle over the vertical and horizontal lines on your target to center reticle precisely on your intended point of impact POI Fire your first shot Adjust the elevation and windage turrets to center the shot at the intersection of the vertical and horizontal lines on the target If the round s POI is observable use the Horus reticle s mil based grid to measure the deviation from the intended POI then dial the exact corrections 0 1 mil increments using the elevation and windage turrets
19. l will impact exactly same However this system should place you close enough to make a solid hit all else being equal If shooting with a different caliber or muzzle velocity you may need to add to or subtract from the original elevation hold to adapt the formula for your needs 2 1 FU 3 2 1 LI I LI 1 5 3 LI z LI LI Li LI 8 T 4 5 7 B n hi T I 6 PHHH HHHH HHHH 6 LAASI LAAS SALAA 05 5 c EEEE EEE A dd OB EHH B0 0 s o EE BEER B Figures 6 LEFT The reticle image at left depicts a 12 inch target bracketed between the main horizontal stadia and the line above the 4 moving target hold RIGHT At right after dividing the 4 in half an elevation hold of 2 is used to engage the target s center mass The HDMR s H59 reticle allows the traditional methods of determining range and holdover for elevation based on mil relation formula yielding great accuracy However the Speed Shooting Formula provides a faster method for technical shooting at moderate ranges out to 600 yards meters with common weapon systems 13 TReMoR2 RETICLE HDMR can be purchased with either of two reticle choices the H59 or TReMoR2 Both reticles offer advanced opeed Shooting features not available in other Horus reticles for
20. ld of View Eye Relief EXIT Ocular Type Diopter Adjustment Elevation adjustment Elevation Increment Elevation Adj Range Windage adjustment Windage Increments Windage Adj Range Turret Caps Turret Type Parallax 2 T 3 gt 26 5 ft at 100yds 3 9 100mm minimum 10 3 2 3 rapid European focus 3 to 3 26 mils 102 MOA 1 click 10 mil radian 13 mils 45 MOA 24 mils 95 MOA 1 click 10 mil radian 13 mils 45 MOA no large tactical turret with lock side parallax 50 yards to infinity 4 length included 0 1 mil 1 cm at 100 meters per click H59 RETICLE Features Reticle hold points subtending to 0 2 mil for ease of use at 21x 42 mils 144 MOA total elevation available at 3 5x 8 mils 27 MOA at 21x Precise calibration of measurements to within less than 0 5 1 25 1 25 1 25 1 25 1 25 MIL MIL MIL MIL MIL CENTER DOT 05 MIL amp LINE WIDTH 028 MIE TEXT 2 24 UY LINE WIDTH 055 LINE WIDTH 039 MIL 4 1 2 1 2 MIL MIL Figure 16 H59 reticle technical drawing with specs 23 c ATTE 10 8 6 42 li 7 MIL 6 MIL 5 MIL _ 3 MIL 6 5 1 4 5 6 7 8 ele 5 MIL
21. r systems and other products associated with shooting and ballistics Horus Vision systems are exclusively owned by Horus Vision LLC and are protected by issued patents in the United States including U S Pat Nos 5 920 995 6 032 374 6 453 595 6 516 699 and 6 681 512 issued foreign counterparts as well as numerous additional pending patent applications in the United States and foreign jurisdictions including but not limited to Europe Japan Israel Canada and Australia Manufacture sale importation or use of the Horus Vision systems requires a license from Horus Vision LLC For more specific information on obtaining a license please contact Horus Vision LLC Nothing contained herein should be construed as granting by implication estoppels or otherwise any license or right to use any Horus Vision LLC intellectual property 2013 Horus Vision LLC All rights reserved 30 Horus Vision LLC 598 San Mateo Avenue San Bruno CA 94066 Phone 650 588 8862 Fax 650 588 6264 E mail info horusvision com Website www horusvision com 31
22. rapid acquisition of targets out to 600 meters Both reticles also feature the Standard Horus Grid for dispatching targets from 0 1500 meters Overview TReMoR2 reticle is all about faster shooting Advanced speed shooting markers for wind and elevation are strategically placed along drop lines making adjustments even faster than the H59 And the TReMOR 2 is a refined mil reticle providing precision mil markings down to 0 1 mils throughout the reticle The Standard Horus Grid is also included for traditional mil based shooting Unobtrusive holdover crosses extend the Standard Horus Grid while allowing for a clear uncluttered view Figure 7 The TReMoR2 reticle shown at high magnification LEFT and low magnification RIGHT 14 SPEED SHOOTING WIND HOLDS Drop lines 1 9 are primarily comprised of horizontally aligned wind markers seven to the right and seven to the left of the reticle s main vertical stadia Similar but smaller wind markers occur at the half mil drop lines While most of the wind markers are dots note that on numbered mil lines the fourth marker from reticle center is a cross providing a quick visual reference point See Figure 8 Figure 8 Seven wind markers occur on each side of the reticle along drop lines 1 9 circled in red above Similar but smaller wind markers occur along half mil drop lines visible here at the 3 5 mil drop line Crosses designate 4 markers making counting faster and easier shown he
23. re on the 3 and 4 mil drop lines These wind markers represent wind holds The speeds associated with the markers increase by a specific value from one marker to the next moving outward from reticle center The specific value between wind markers depends on the ballistic coefficient and muzzle velocity being used Hence different weapon systems have different wind marker values For example a XM2010 M110 has a wind value of 4 resulting in the following speeds from center outward 4 mph 8 mph 12 mph 16 mph 20 mph 24 mph ending at 28 mph See Figure 9 vA MM ia A 9 Ly s i A UC a a 4 VA A Lo ua Moa i x 1 4 ea X 1 A x i i X x k b A 4 4 x 4 8mph 12 16mph 20 24 28 mph Figures 9 At left we see wind value of 4 based XM2010 M110 weapon system resulting wind marker values of 4 8 12 16 20 24 and 28 mph crucial to recognize that the wind speeds are the same for each drop line For example as Figure 9 shows the third wind marker speed equals 12mph for a XM2010 M110 weapon system regardless of which drop line it occurs on This means that no further calculations are required to place wind holds for different drop adjustments Once you ve calculated your seven wind marker speeds
24. roper application of these steps Increase Accuracy with ATragMX Ballistics Software For even greater accuracy Horus ATragMX Ballistics Software can be used in combination with your Horus scope and reticle Our ballistics software lets you take combat proven aiming solutions into the field so you are instantly ready for any shooting conditions ATragMX enhances any mil based reticle system but it is not required To learn more about the benefits of Horus Ballistics Software see the ATrag User Manual 21 TECHNICAL DATA lt 13 0 lt 415 Figure 15 HDMR scope technical drawing with specs HDMR SCOPE SPECIFICATIONS Specifications POWGT ansia 3 5 21 riorem bia aie 13 33 cm Weight 35 2 oz 998g Tube Diameter 34mm Wall Thickness 1 5mm Material aluminum UD 1 CO black Exterior Finish matte anodized Shockproof 1200 g Water resistant ves Dustproof ves Fogproof ves Warranty limited lifetime H59 TReMoR2 Reticles 1st Focal Plane Reticle Illumination no 16 Lens Coating RainGuard Coating outside surfaces 22 34mm Twilight Factor Objective Lens Fie
25. t arise as a result of your use of the information contained in this book and expressly disclaim all liability for injuries death and damages whether direct incidental consequential punitive or otherwise GETTING STARTED MOUNTING YOUR HDMR SCOPE The HDMR requires 34mm rings which are available in steel and aluminum Steel rings offer enhanced durability under extreme conditions but they also weigh more Rings are generally available in four different heights low medium high and extra high The choice depends upon your rifle s configuration and your normal body position on the rifle Rings may come attached to a one piece base or as separate units Separate bases or other riser mounting systems may also be used for raising scope height 1 Mount the bottom portion of the rings to the rifle s mounting rail making sure that the spacing is correct so the rings won t interfere with the scope s turrets Place the scope on the bottom portion of the rings positioning it far enough rearward to provide a clear field of view FOV Attach the top portion of the ring tightening the screws enough to prevent the scope from falling out of the mounts but loose enough to enable you to adjust the scope forward and aft and to rotate the scope to ensure a level reticle Focus the ocular by adjusting the rear most ring on the eyepiece The reticle should be crisp against a distant object or bright surface The diopter is adjusta
26. the TReMoR2 wind values for your weapon system you can make wind adjustments in seconds regardless of distance To adjust for wind locate the drop hold line best suited to your target Next on that appropriate drop line locate the wind marker which best matches your wind speed and place it over the target For winds moving from the right use wind markers to the right of reticle center for winds moving from the left use wind markers to the left of reticle center For example Figure 11 illustrates the hold position for a 16 mph wind moving from the right XM2010 M110 weapon system and 4 5 mil elevation adjustment Wm Figure 11 Shown here is a wind hold the 4th marker the 4 5 mil drop line based on a 16 mph wind from the right a XM2010 M110 weapon system and resulting TReMoR2 wind value of 4 17 Traditional Method for Placing Wind Holds A mil grid is built into the TReMoR2 so shooters can hold off in mils rather than using Speed Shooting Wind Markers for holds Small hashes forming a 1 mil grid are discretely placed along drop lines 1 9 for this purpose See Figure 12 This mil grid is continuous with the Standard Horus Grid which occurs below the TReMoR2 s10 mil drop line Figure 12 Highlighted here in red a subtle mil grid occurs from drop lines 1 9 18 SPEED SHOOTING ELEVATION HOLDS The TReMoR2 s main stadia incorporate the Accuracy 1 Speed Shooting Formula to help you rapidly determine an
27. tom metal portion of a bolt action with the floor plate open or magazine removed While leveling the reticle by eye will work at close ranges minor level errors will affect use of reticle grid and knob adjustments at farther targets When satisfied with eye relief and reticle level tighten the scope ring screws to 15 20 inch pounds of pressure Over tightening can damage the scope tube ELEVATION AND WINDAGE TURRETS The HDMR has locking turrets for finger adjustable elevation and windage adjustments with audible clicks to eliminate the need to take your eyes off the target The turrets adjust in the United States Department of Defense fashion that is rotate counter clockwise for up right adjustment see Figure 1 Unlock the turret by pulling it out and away from the scope s body Use the elevation turret on top of the scope to make adjustments for bullet drop compensation Rotate the elevation turret counter clockwise to move the intended point of impact POI up in the field of view Use the windage turret on the right side of the scope to make adjustments for wind compensation Rotate the windage turret counter clockwise to move the intended POI right in the field of view and rotate clockwise to move the POI left Each increment or click equates to a 0 1 mil change to the bullet impact point and 10 clicks is equal to 1 mil When finished making adjustments push the turret in to lock it into place DO OO Figure 1 Rotating elevat
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