OMEN Match 2.0
Contents
1. OWNER S MANUAL Copyright 2013 NEMO Arms 3582 Hwy 93 S Kalispell Montana 59901 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com WARNING SAFETY GUIDELINES 1 10 11 12 13 14 15 16 17 Please read and understand this manual before attempting to handle or use your firearm Take a firearms safety course to ensure firearm safety and knowledge Local state and federal Law Enforcement and Fish and Game departments provide excellent courses on firearm safety Always handle your firearm as if it were loaded Never point your rifle at anything you do not intend to shoot Do not handle firearms while impaired under the influence of alcohol or drugs Never leave a loaded firearm unattended Be sure firearm is unloaded and bolt is open before handing it to someone Before starting an inspection be sure to clear the rifle Do not pull the trigger until the rifle has been cleared Inspect the chamber to ensure that it is empty and no ammunition is in position to be chambered Do not keep live ammunition near work area Only use ammunition designed for your firearm Failure to use the proper caliber ammunition will cause damage to your firearm and may result in injury or death Only use quality commercial ammunition that is in good condition Using corrosive lacquer coated damaged hand loaded steel or aluminum cased ammunition will void the warranty and if used may cause2. Kalispell Montana 59901 BUFFER TUBE REAR TAKEDOWN PIN Q SAFETY SELECTOR UPPER RECEIVER BOLTRELEASE 5 11 MAG CATCH INDEX TAB 2 MAGAZINE INDEX TAB TOP PICATINNY RAIL ADJUSTABLE GAS BLOCK 6 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com COMPENSATOR ADJUSTABLE GAS BLOCK KNOB 6 BARREL 7 HANDGUARD FRONT PIVOT PIN 8 TRIGGER GUARD REMOVEABLE SIDE CHARGING HANDLE amp BOLT CARRIER GROUP Q PISTOL GRIP MAG RELEASE REAR TAKEDOWN PIN 49 Copyright 2013 NEMO Arms 3582 Hwy 93 S Kalispell Montana 59901 AMMUNITION The OMEN is optimized to use quality ammunition Semi automatic rifles perform differently than bolt action rifles and cannot handle hot loads Do not use ammunition that exceeds maximum chamber pressure recommended by SAAMI Sporting Arms and Ammunition Manufacturers Institute The maximum pressure is 64 000 PSI Piezo measured The maximum COAL Cartridge Over All Length that can be used in the OMEN is up to 3 50 inches You must check your chamber dimensions before loading ammunition beyond SAAMI length There are many different manufacturers of ammunition and loads for the 300 Win Different ammunition bullet weights and powder combinations will cause varying degrees of accuracy and performance of the rifle Lighter loads and bullet weights may cause the rifle to not lock the bolt ba
3. BARREL CLEANERS Using an abrasive cleaner is not recommended MOLY OR COATED BULLETS Shooters using moly or coated bullets need to clean their barrels every 25 rounds Use the normal barrel cleaning procedure CLEANING EQUIPMENT TIPS Using the correct equipment to clean your barrel is important An action rod guide will keep your rod straight in the barrel and keeps your rifle from getting uneven wear and damaging the rifling Copyright 2013 NEMO Arms 3582 Hwy 93 S Kalispell Montana 59901 II Use a quality coated cleaning rod as well The coating on the rod will prevent damages to your barrel and there are also nylon coated cables that work very well now too These are available from Otis or Dewey Both of these companies make a very good complete cleaning kit for your rifle at a reasonable price Be sure to use a preservative on your barrel when storing it Run a dry patch through before shooting Store your rifle in a dry place to prevent rusting Do not let solvent get inside the action or any other surfaces on your rifle as they may damage them Do not over lubricate freshly cleaned surfaces 20 MOA PICATINNY RAIL The Watchman model OMEN has built in 20 MOA into the upper receiver and handguard This gives the operator more adjustment in elevation at extreme distances with their optic FIELD STRIPPING AND CLEANING BOLT CARRIER GROUP The OMEN from NEMO Arms Inc has a patented bolt carrier This bolt carrier gr
4. cleaner Blow out all carbon and carbon cleaner 6 Repeat step 3 5 until there is no carbon residue left and adjustment knob rotates freely and positively locks into each adjustment setting 7 Donot add lubricant or CLP to holes springs after cleaning This will allow dirt and carbon to attract more and may cause binding The gas blocks and components will not rust as they are stainless steel There is no need to disassemble the gas block to clean the internal components If your adjustment knob is bound up or will not move use a small hammer and tap the knob in until it stops against the gas block Place a flat headed screwdriver head between the cap and gas block and gently tap the screw driver until there is enough space to pry out the cap out fully Repeat until you can depress it by hand Clean per steps 2 7 above 24 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com ADJUSTING AND CLEANING THE ADJUSTABLE GAS BLOCK LOCATE AND FIRMLY GRASP KNOB PUSH KNOB INTO GAS BLOCK WHILE CONMPLETEY DEPRESSED ROTATE TO DESIRED SETTING Copyright 2013 NEMO Arms 3582 Hwy 93 8 Kalispell Montana 59901 25 Using a carbon remover pour a small amount into the shaft between the adjustment cap and gas block Add a few drops into the two holes on the top front of the gas block and the two holes on the side front of the gas block Let carbon remover soak for 5 10 minutes OTIS brand Carb
5. corrosion after long periods of storage for corrosion TROUBLESHOOTING MY RIFLE WON T FIRE gt Check to see if the safety selector is on FIRE mode gt Check to ensure firing pin is in good condition and is assembled correctly Defective ammunition Discard ammunition and reload with new ammunition Too much oil preservative CLP in firing pin recess Bolt carrier must be fully forward into battery Magazine or chamber is not loaded reload Bolt not in battery Copyright 2013 NEMO Arms 3582 Hwy 93 S Kalispell Montana 59901 33 THE BOLT WON T UNLOCK gt The bolt and barrel extension are dirty Field strip clean and lubricate SPENT RIFLE CARTRIDGE WON T EXTRACT Dirty or corroded ammunition Remove spent stuck cartridge by using a cleaning rod to push out round Be careful not to damage rifling Clean chamber and use new clean ammunition Carbon or dirty chamber Clean chamber Fouling or carbon on extractor Clean bolt extractor and chamber Broken or worn extractor spring Replace extractor spring Broken or worn extractor Replace extractor MY RIFLE WON T FEED CORRECTLY Rifle dirty Field strip and clean rifle including bolt carrier group upper receiver assembly and barrel Re lubricate Dirty ammunition or dirty magazine Clean magazine and use new clean ammunition Defective magazine Discard and replace with new magazine Buffer assembly rest
6. CE ADVANTAGES FOR THE SHOOTER gt The Geissele SSA E has a pull weight of about 3 5 Ibs There is 2 3 Ibs on the 1st stage and 1 2 Ibs on the 2nd stage The pull weights and sear engagement are non adjustable by the shooter Trigger and hammer are made from quality tool steel 30 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com Sear surfaces are cut by a wire edm machine Sears cut this way are very accurate and the non directional surface finish of the wire edm gives a smooth trigger pull without the associated grittiness of directional machining marks left by a milling cutter The initial force needed to start the disengagement of the sear surfaces is low and the force linearly increases at a low rate This helps the shot to fall at the initial point of aim and aids in building shooter confidence in his weapons ability to put the rounds where his sight is pointing The Geissele SSA E trigger allows the shooter to slap through the trigger pull on close in shots but also set up a long range shot with a crisp trigger break A full force hammer spring is used for quick locktime and positive ignition of all types of ammo There is no lightened hammer spring used The hammer is lighter than a standard AR15 hammer The lightened hammer favorably decreases locktime over a standard hammer from 8 5 to 5 1 ms and increases accuracy of the weapon 2 ADVANTAGES FOR THE ARMORER The Geissele SSA E is a simple de
7. MOVED Copyright 2013 NEMO Arms 3582 Hwy 93 8 Kalispell Montana 59901 17 8 Remove the bolt from the bolt carrier 9 Remove the firing pin The firing pin spring is conical The small spring end goes on first Warning The firing pin spring must be installed Failure to install the firing pin spring may cause accidental discharge or out of battery discharge 10 Remove the extractor from the bolt Depress the rear of the extractor push the extractor pin out 11 Clean out all of the carbon brass and foreign debris from the extractor and on the inside of the bolt Your bolt carrier group is now completely field stripped for cleaning gt Do not remove the gas key gt Do not disassemble the rear of the bolt carrier This part of the bolt carrier only needs to be disassembled if the spring needs replacement or if it needs to be repaired PUSH OUT EXTRACTOR PIN WITH A PUNCH 18 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com CLEAN OUT CARBON AND DEBRIS INSIDE BOLT AND EXTRACTOR Clean all of the parts using a solvent Remove carbon build up debris dirt brass and lubricant using cotton swabs and nylon brush Pieces of brash or primers in the bolt or fire control group can cause malfunction or build up on the firing pin causing weapon malfunction slam fire or automatic fire After cleaning lightly lubricate all surfaces of the extractor bolt bolt carrier cam pin and f
8. Replace Selector Detent and Spring If Not Working or Damaged Buffer Spring Replace after 1000 rounds Barrel and Bolt Replace after 1000 rounds Trigger Spring Replace after 2000 rounds Hammer Spring Replace after 2000 rounds Cam Pin Replace if Cracked Damaged or Worn or after 1000 2000 rounds OPERATION UNDER UNUSUAL CONDITIONS NOTE Unusual conditions are defined as any climatic condition requiring special maintenance of the weapon Perform the maintenance outlined for the climate that most applies to your operational area HOT DRY DUSTY CLIMATES Hot dry climates are usually dusty and sandy areas They are hot during daylight and cool at night gt Dust and sand will get into the rifle and will cause malfunctions and excessive wear on component working surfaces through abrasive action during the firing operations 32 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com Corrosion is less likely to form on metal parts in a dry climate therefore lubricate internal working surfaces only with a small amount of cleaner lubricant and preservative always shake CLP prior to use Do not lubricate external parts of the rifle Doing so will only collect dust and sand making the rifle difficult to keep clean Do not lubricate internal components of the magazines gt Using additional equipment i e protective cap and spare magazine protective bags and overall rifle protective cove
9. actor frozen Field strip and clean Bolt carrier group dirty Field strip and clean and lubricate upper receiver charging handle and bolt carrier group Weak buffer spring Replace buffer spring AM GETTING PIERCED OR BLOWN PRIMERS Blown primers The ammunition is too hot Use different ammunition Pierced primers Ammunition too hot primers too soft Firing pin tip may be damaged Inspect firing pin tip for damage Replace firing pin if needed Check bolt for pitting replace if needed Headspace is too loose Have a qualified gunsmith check headspace Replace barrel as needed Copyright 2013 NEMO Arms 3582 Hwy 93 S Kalispell Montana 59901 35 STOCK ADJUSTMENT DEPRESS BUTTON TO RAISE CHEEK PIECE 36 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com DEPRESS BUTTON TO LOWER MONOPOD TWIST FOR MICRO ELEVATION ADJUSTMENT Copyright 2013 NEMO Arms 3582 Hwy 93 S Kalispell Montana 59901 37 ACCURACY GUARANTEE NEMO Arms Inc guarantees the OMEN rifle to shoot a 3 shot sub MOA 1 047 inches or less after the break in period using match quality ammunition Every OMEN rifle is different You will have to find what your OMEN rifle shoots the most accurately To measure a group measure the center of the hole from the holes that are the farthest apart Mils and MOA differ from an inch because they are angular not linear
10. as block is the indicator for the positions of the adjustments To make an adjustment the cap on the front of the gas block is depressed towards the rear of the rifle While depressed rotate cap in either direction until you reached the desired setting The cap is spring loaded and the adjustment stops will have a positive location The adjustment stops are indicated with a dot or series of dots on the cap to show which position the cap is in Four dots indicate that the gas port is open fully Three dots indicates the gas port is 58 percent open Two dots indicates the gas port is 44 percent open One dot indicates the gas port is open 25 percent The gas port does not close completely off eeee Full completely open gas port eee 58 percent open gas port ee 44 percent open gas port e 25 percent open gas port Copyright 2013 NEMO Arms 3582 Hwy 93 S Kalispell Montana 59901 2 USING THE ADJUSTABLE GAS BLOCK Your rifle is designed to work with the adjustable gas block on the fully open position indicated by four dots across from the triangle The triangle will indicate which position the setting is on FOUR DOTS ON ADJUSTMENT KNOB FULLY OPEN TRIANGLE INDICATOR THREE DOTS ON ADJUSTMENT KNOB 58 OPEN 22 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com Having your setting on one or two dots should only be used if using a sound suppressor The adjustabl
11. ck on the last round Lighter loads can be hot loads and could cause cycling issues pierced or blown primers Really hot loads or heavy bullet weights may cause over gassing pierced or blown primers Soft primers or loose primers may cause blown or dropped or pierced primers The OMEN is designed to perform the best with military grade hard primers Ammunition not to be used in the OMEN Hornady Superformance Federal Fusion Any ammunition that shows excessive pressure signs such as flattened primers blown primers pierced primers excessive ejector marks or excessive extractor marks Some ejector marks and ejector marks are due to the semi automatic design of the AR platform WARNING If your ammunition is blowing or piercing primers discontinue shooting Completely field strip and clean rifle Inspect and replace firing pin if it has a damaged tip Use different ammunition 8 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com WARNING BEFORE YOU OPERATE YOUR FIREARM F0R THE FIRST TIME Be sure to check your rifle to see if it is loaded and that you know how to clear the rifle and use the safety before operating the rifle for the first time Be sure to clean and check your rifle to see if there are any obstructions in the barrel before firing rifle for the first time NOTES Only use quality commercially loaded ammunition that is in good condition Using corrosive over pr
12. e gas block does not have a setting to completely shut the gas off Closing off the gas port from fully open four dots may cause your rifle to short stroke or not cycle TWO DOTS ON ADJUSTMENT KNOB 44 OPEN ONE DOT ON ADJUSTMENT KNOB 25 OPEN Copyright 2013 NEMO Arms 3582 Hwy 93 S Kalispell Montana 59901 23 CLEANING AND MAINTAINING THE ADJUSTABLE GAS BLOCK It is necessary to maintain your adjustable gas block to keep it in good working order The best way to keep functioning is to be sure rotate it through all of the four adjustment stops every forty 40 rounds To clean your adjustable gas block follow these procedures 1 Ensure your rifle is unloaded and the chamber is clear and the rifle barrel and gas block are cool to the touch 2 Pushin the adjustment cap and rotate it through all of the stops four times If it is hard to depress or sticky Plunge the knob in on all of the stops 10 times or until it depresses and rotates freely 3 Using a carbon cleaner pour a small amount into the shaft between the adjustment cap and gas block Add a few drops into the two holes on the top front of the gas block and the two holes on the side front of the gas block Let carbon cleaner soak for 5 10 minutes 4 Pushin the adjustment cap and rotate it through all of the stops approximately 4 5 times ensuring the holes are saturated with carbon cleaner 5 Use compressed air to blow out the holes where you added the carbon
13. essured damaged steel or aluminum cased ammunition will void the warranty and if used may cause personal injury or death Prior to firing the rifle for the first time clean the rifle bore and chamber The barrel will be broken in after 25 100 rounds Check the rifle for excessive lubrication after the first time you have used it There may be excessive lubrication or preservative on your rifle from transfer and storage purposes at the factory NEMO Arms Inc fit and function checks and inspects each rifle NEMO cannot guarantee fit or function with any other manufacturers components Excessive and repeated firing will cause premature wear and degradation of the rifle Do not exceed 10 12 rounds per minute ALUMINUM COMPONENTS Never use abrasives or metal wire brushes or harsh chemicals on aluminum components and finishes Use a soft cloth or soft nylon brush to clean aluminum components and aluminum finishes PLASTIC POLYMERS Never use solvents metal wire brushes or harsh chemicals on plastic polymers They will scratch or soften the material ADJUSTING THE MAGAZINE CATCH Insert magazine into the mag well The magazine catch the magazine in place Pressing the magazine catch button should release the magazine To adjust the magazine catch use a cleaning rod to press in on the magazine catch button until the left side of the magazine catch sticks out beyond the receiver To tighten turn the magazine catch clockwise to loosen t
14. injury or death Your firing pin must be changed out immediately upon piercing primers 33 The firing pin spring must be installed Failure to install the firing pin spring after cleaning may cause accidental discharge or out of battery discharge resulting in injury or death Under no circumstances will NEMO Arms Inc nor any affiliated suppliers be responsible for any property damage injury or death that results from Failure to read and understand owners manual Disregarding the safety guidelines and warnings in this manual The criminal or negligent use of the firearm Alterations improper or negligent modifications to the firearm The use of non standard defective improper or reloaded ammunition Failure to clean and keep firearm in good working order This manual must accompany this firearm and be transferred with it upon change of ownership or when presented to another person SERIAL NUMBER INFORMATION Record the serial number of your NEMO ARMS Inc firearm The serial number is on the lower receiver on the mag well Attach a copy of the proof of purchase sales record Keep a copy of the owners manual and proof of purchase sales record in a secure place These materials will be necessary if the firearm is damaged stolen or returned to NEMO Arms Inc for warranty or repair Serial Number Purchase Date Model Number Caliber Place of Purchase Copyright 2013 NEMO Arms 3582 Hwy 93 S
15. iring pin There should be a light film over all of the surfaces Reassemble the bolt carrier group by reversing the order of disassembly Be patient and do not force parts together or bend them to assemble To insert the side charge handle the slot must face up to engage Additional Lubricant Add two drops of CLP to the bolt cam pin slot one drop to the entrance of the gas key hole Lubricate the running surface on the bolt carrier with a higher viscosity lubricant or grease The running surface on the bolt carrier is where the carrier touches and rides the upper receiver CLEANING THE UPPER AND LOWER RECEIVER 1 Ensure your rifle is unloaded and the chamber is clear 2 Depress the front pivot pin and rear takedown pin Separate the upper receiver from the lower receiver 3 Remove the side charging handle by pulling it out firmly The side charging handle is captured in the bolt carrier by a detent It is held into place much like some semi automatic shotguns 4 Remove the bolt carrier group from the upper receiver Copyright 2013 NEMO Arms 3582 Hwy 93 S Kalispell Montana 59901 19 Clean the internal part of the upper receiver and barrel extension using a solvent Remove carbon build up debris dirt brass and lubricant using cotton swabs and nylon brush Lightly lubricate the upper receiver and barrel extension leaving a light film Clean the barrel and chamber after cleaning the upper receiver Install the cleaned b
16. it represents increases with distance For example 1 mil at 100 yards equals 3 6 inches and 7 2 inches at 200 yards To calculate how many inches are in a mil at any distance multiply 3 6 times the distance in yards and divide by 100 LIMITED WARRANTY LIMITED THREE YEAR WARRANTY NEMO Arms Inc firearms parts or products are warranted to be free from defects in materials and craftsmanship to the initial purchaser for a period of three years NEMO Arms Inc will remedy any such defect of which NEMO Arms Inc is given written notice The liability of NEMO Arms Inc under this warranty shall be limited solely to the obligation to repair or replace the firearm part or product or defect at its discretion and to pay transportation and insurance charges for return of the firearm parts or product to owner for a rightful warranty claim This warranty is not transferable Modification of any NEMO Arms Inc firearm parts or product will void warranty This warranty does not cover normal wear or any damage resulting from careless handling neglect unauthorized repairs or adjustments corrosion or improper or reloaded ammunition or failure to perform normal maintenance 38 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com Warranty claims must state in writing the model number the serial number the part number if applicable a description of the difficulty experienced and include the original receipt with date of pu
17. ive false cleaning indications Only use a steel or carbon poly cleaning rod and jag Keep using copper soaked patches until there is no more blue on the patches the blue is the dissolved copper The copper fouling will be heavy for a few rounds and then taper off quickly in one or two shots Do not let copper solvent stand in barrel more than 10 minutes 2 Push a patch through the barrel 3 Fire a single round 4 Repeat steps 1 3 for the first 5 10 rounds 5 Shoot two three shot groups remove copper after each group steps 1 2 6 Your barrel is now broken in NORMAL BARREL CLEANING For normal cleaning after break in and following 10 25 shots or after a shooting session clean the barrel using a powder solvent or CLP only Use a clean patch and soak it with the powder solvent CLP and soak the barrel Use a bronze or poly brush and stroke the barrel 5 8 times Do not use a stainless steel brush in your barrel at any time Push a clean patch through Push a CLP soaked patch through the barrel Repeat cleaning if patch is fouled After cleaning the barrel run a CLP patch through the barrel for storage Run a dry patch through barrel prior to shooting PERIODIC COPPER FOUL BARREL CLEANING If your accuracy degrades and your shot groups open up at approximately 300 rounds or so use a copper removing solvent to check for copper fouling Use steps 1 2 of the barrel break in procedure for the copper fouling procedure ABRASIVE
18. measurements An inch equals an inch no matter how far away it is What is MOA MOA stands for minute of angle There are 360 degrees in a circle and each degree is divided into 60 minutes If we round to the nearest 1 400 of an inch at 100 yards 1 degree measures 62 83 inches One MOA 1 60 of that measures 1 047 inches While 1 MOA at 100 yards equals 1 047 inches at 200 yards it equals 2 094 inches 2 x 1 047 To calculate MOA at any distance multiply 1 047 by the distance in yards and divide by 100 What is a MIL MILS milliradians is another angular measurement There are 6 2832 Tr x 2 radians per circle There are 1 000 mils per radian so there are 6 283 2 mils in a circle There are 21 600 MOA in a circle so a little quick division determines there are 3 4377 MOA per mil At 100 yards 3 4377 MOA equals 3 599 inches 3 4377 x 1 047 Rounded up one mil equals 3 6 inches at 100 yards A mil is so large it s broken into tenths in order to make precise adjustments If you have a riflescope with mil adjustments each click equals 1 10 mil A tenth of a mil equals 36 inch or 9144 centimeter at 100 yards Since 1 10 of a mil is an angular measurement it will be slightly larger at 100 meters than at 100 yards because 100 meters equals 109 361 yards At 100 meters 1 10 of a mil equals 9999 centimeter Practically speaking 1 10 of a mil equals 1 centimeter at 100 meters Because mil like MOA is an angular measure the length
19. nced SSA E Trigger is a finely tuned semi automatic only version of our full auto two stage combat trigger presently used in the U S Special Operations Community Built on the chassis of the Geissele SSA the SSA E provides enhanced trigger control and weapon accuracy while maintaining the robustness and reliability of our combat proven two stage trigger The SSA E s reduced 1st and 2nd stage pull weights result in a trigger with a smooth light 1st stage take up and a crisp candy cane like 2nd stage break The SSA E is ideal for use in precision Squad Designated Marksman type rifles where weapon accuracy and reliability are critical and a non adjustable drop in trigger is desired Trigger Profile Geissele Super Semi Automatic Enhanced vs Stock AR 15 m o 277 2 SSA E ef Stock ARIS v pr Trigger Force lb his O B gt uo 4 0000 0100 0200 0600 0700 0500 0900 0 00 0800 0600 00770 0270 0 70 0770 0570 Trigger Deflection inch Copyright 2013 NEMO Arms 3582 Hwy 93 8 Kalispell Montana 59901 29 Super Semi Automatic SSA E Trigger U S Pat 7 600 338 LUBRICATION POINTS LUBRICATION Pin Hammer POINT LUBRICATION POINT LUBRICATION Spring Disconnector POINT captive GEISSELEAUTOMATICS PERFORMAN
20. olt carrier group and install the side charging handle When the trigger and lower receiver well become very dirty such as when firing with a suppressor it is not always necessary to remove the trigger group for cleaning Spray down the trigger group with electrical contact cleaner to remove residual oil and dirt Next use compressed air to blow off the trigger group and then flush liberally with a light lubricant as CLP or equivalent Blow off excess lubricant with compressed air and lubricate the following gt Each side of the disconnector above the trigger pin gt Hammer and trigger sears gt Face ofthe disconnector gt Hammer tail where it contacts the disconnector gt Top of each side of the hammer spring where the spring contacts the receiver wall See the trigger schematic for lubrication points on page 30 20 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com OMEN ADJUSTABLE GAS BLOCK Your rifle may be equipped with an adjustable gas block so that your rifle will run with a variety of ammunition and or suppressed The rifle is designed to run with a fully opened gas port even with the adjustable gas block If you are using hot ammunition or if you are using a suppressor it may be necessary to adjust your gas port down to alleviate function or cycling issues The adjustable gas block has four settings from fully opened to nearly completely shut off The triangle at the top of the g
21. on Remover works well Rotate knob through all the settings blow out all the holes with compressed air 26 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com STUCK FROZEN KNOB ON ADJUSTABLE GAS BLOCK If your adjustable gas block knob is stuck frozen or bound up it is full of carbon This can happen in as many as 10 rounds depending upon ammunition and usage Follow these steps 1 Using a small hammer gently tap the adjustable gas block knob towards the gas block until it stops This does not require a lot of force 2 Using a small thin screwdriver gently pry the knob away from the gas block This will loosen the carbon from the knob and gas block 3 Use your fingers and press in the knob and rotate through al of the stops If the knob is still frozen or still sticky repeat steps one and two until you can move it by hand 4 Clean the gas block using Otis Carbon Remover per the cleaning and maintenance section GENTLY TAP KNOB TOWARDS THE GAS BLOCK UNTIL IT STOPS Copyright 2013 NEMO Arms 3582 Hwy 93 S Kalispell Montana 59901 27 GENTLY PRY THE KNOB AWAY FROM THE GAS BLOCK PUSH KNOB INTO GAS BLOCK WHILE COMPLETEY DEPRESSED ROTATE THRU ALL OF THE SETTTINGS TO BREAK LOOSE ALL OF THE CARBON 28 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com OMEN GEISSELE SUPER SEMI AUTOMATIC ENHANCED TRIGGER SSA E The Geissele Super Semi Automatic Enha
22. oup looks very different than the standard AR 15 or AR 308 type bolt carriers TO FIELD STRIP AND CLEAN YOUR BOLT CARRIER GROUP 1 Ensure your rifle is unloaded and the chamber is clear LOCATE CHARGING HANDLE 12 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com 2 Depress the front pivot pin and rear takedown pin Separate the upper receiver from the lower receiver Copyright 2013 NEMO Arms 3582 Hwy 93 8 Kalispell Montana 59901 13 3 Remove the charging handle by pulling it out firmly The side charging handle is captured in the bolt carrier by a detent It is held into place much like some semi automatic shotguns 4 Remove the bolt carrier group from the upper receiver OPEN RECEIVER CHASSIS REMOVE BOLT CARRIER 14 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com 5 Remove the firing pin retaining pin from the bolt carrier REMOVE Copyright 2013 NEMO Arms 3582 Hwy 93 S Kalispell Montana 59901 6 Pull bolt out until it stops With the bolt pulled out pull the firing pin straight back as far as it can go until it stops Line up the cam pin straight with gas key PULL OUT BOLT AND PULL BACK FIRING PIN AS FAR AS IT CAN GO LINE UP CAM PIN WITH GAS KEY 16 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com 7 Remove the cam pin and then the firing pin CAM PIN RE
23. perate with a certain amount of wear to the working surfaces The trigger is designed to operate in dusty abrasive environments that cause wear Copyright 2013 NEMO Arms 3582 Hwy 93 S Kalispell Montana 59901 3l MAINTENANCE AND WEAR NOTE Your rifle has parts and components that will wear and will need replacement This is normal These parts have a service life and will need to be replaced to keep your rifle in safe optimum operational order Parts will wear faster under heavy use or use under unusual conditions and may need to be replaced sooner than the scheduled replacement Even though parts that need to replaced appear in good condition to the naked eye they are fatigued and need to be replaced Most of the parts are inexpensive and are part of the field stripping procedure If you are unsure how to replace a maintenance item have the parts replaced by a qualified armorer or gunsmith Parts must be replaced by a qualified armorer or gunsmith Extractor Replace after 500 rounds Extractor Spring Replace after 750 rounds Bolt Ejector Spring Replace after 1000 rounds Bolt Carrier Extension Spring Replace after 1000 rounds Firing Pin Retaining Spring Replace after 1000 rounds Check Headspace After 300 600 rounds Check Firing Pin For Damage After Each Shooting Session Or When Cleaning Replace If Damaged or Worn Check Safety Selector Operation Each Shooting Session Or When Cleaning
24. personal injury or death Since reloading practices are beyond our control we disclaim all liability for damage or injury that may result When shooting your firearm know your target and beyond Use eye and ear protection when shooting your firearm Never alter or modify your firearm Do not disassemble your firearm beyond this manual Only a qualified gunsmith should service repair or modify your firearm in any way Obey all local state and federal laws in regards of discharging handling storage security and transportation of your firearms Cleaning discharging handling of your firearm and ammunition may result in exposure to toxic and hazardous substances Wash hands thoroughly after exposure Read all warnings on ammunition cleaning and lubrication products To avoid injury to your eyes use care when removing and installing spring loaded parts cleaning lubricating and handling of your firearm Copyright 2013 NEMO Arms 3582 Hwy 93 S Kalispell Montana 59901 3 18 19 20 21 22 23 24 25 26 27 28 29 30 Never allow another person s to handle shoot clean and lubricate or use your firearm if they do not understand or have not read the safety guidelines of this manual Do not rely on the firearm s safety It is only to be used as a supplement to safe firearm handling procedures Do not touch the trigger or trigger guard unless you are ready to fire The bolt must be completel
25. r will help keep dust and sand from getting into the rifle Use these items as the situation warrants As a minimum effort to keep dust and sand out of your rifle a cartridge magazine installed in the rifle and a muzzle cap on the muzzle NOTE Before firing remove the protective cap and keep for later use However it is not dangerous to fire the rifle with the protective cap The cap will blow off when the first round is fired and may be lost WET SNOWY RAINY MOIST OR HUMID CLIMATES Snowy rainy moist or humid climates are usually any foggy rainy snowy coastal area NOTE These conditions can be found anywhere including desert areas at times Perform maintenance according to the appropriate climatic condition Use additional equipment protective cap and spare magazine protective bags and overall rifle protective cover as the situation warrants Always keep the rifle dry Using a protective cap will help keep water out of the barrel Always drain remove any water snow or ice from the barrel before firing Dry the bore with a swab and cleaning rod if necessary Moisture will cause steel or iron parts to rust corrode and or seize Proper lubrication and inspection are necessary for all parts in damp wet snowy icy or moist conditions Dry rifle components off with cloth and re lubricate with CLP if necessary Never store your rifle in a damp wet area Always store your rifle in dry conditions Check you rifle for
26. rchase The firearm part or product concerned should be shipped via normal ground shipping transportation charges prepaid to The Warranty Department NEMO Arms Inc 3582 Highway 93 South Kalispell Montana 59901 The owner should insure firearm parts or product shipment NEMO Arms Inc is not responsible for loss or damage in transit NEMO Arms Inc will pay shipping and insurance charges for the return of a firearm parts or product to its owner if the related claim is a proper claim for warranty work Under no circumstances shall NEMO Arms Inc be responsible for incidental or consequential damages with respect to economic loss or injury to property whether as a result of express or implied warranty negligence or otherwise PRIVACY POLICY NEMO Arms Inc respects the privacy of all individuals and businesses We will never sell or share our customers information to anyone This includes names phone numbers fax numbers E mail addresses physical addresses IP addresses or databases NORMAL WEAR PARTS AND COMPONENTS The OMEN has parts that will wear and have to be replaced This is normal Each rifle is different and each rifle will wear differently depending upon user and conditions Some parts will wear significantly faster than others Springs are a normal wear part and must be replaced per the schedule or sooner if function is affected Buffer Wear denting on the face of the buffer on the OMEN is normal The b
27. ricted Field strip and clean and lubricate buffer assembly Replace buffer spring if necessary Magazine not seated Adjust magazine catch by pressing mag catch button and turning catch clockwise to tighten or counter clockwise to loosen Loose or misaligned gas block Tighten gas block screws and ensure gas block is on straight Rifle over or undergassed Adjust gas block Call a qualified gunsmith or NEMO Arms Inc THE BOLT CARRIER WILL NOT FULLY ENGAGE AND IS HUNG UP Bolt carrier group is dirty Point rifle in safe direction move safety selector to SAFE drop magazine and clear the rifle Field strip and clean and lubricate upper receiver charging handle and bolt carrier group Point rifle in safe direction move safety selector to SAFE drop magazine and clear the rifle Use caution in removing stuck round and stay away from rifle muzzle Do not pry round with screwdriver or other sharp object Pull or gently tap charging handle back and or gently bang rifle butt on the ground push charging handle forward and bullet will drop clear Field strip and clean and lubricate upper receiver and bolt carrier group Firing pin spring bound up on bolt Field strip bolt carrier clean reassemble Replace firing pin spring if necessary 34 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com THE BOLT WON T LOCK The bolt and barrel extension are dirty Field strip and clean Bolt extr
28. rm in safe direction Wait 15 minutes for rifle to cool After 15 minutes unload rifle and clear chamber Check bore for unburned gunpowder brass or lodged bullet Bullet brass primer foreign object and unburned gunpowder must be removed before re chambering another round and firing Failure to clear foreign objects and re chambering another round on top of any debris may cause a catastrophic failure causing damage to your firearm injury or death Take firearm to a qualified gunsmith for removal of bullet stuck in barrel or debris that cannot be removed for removal and inspection Extended continuous or rapid firing will raise barrel to unsafe temperature At this temperature any live ammunition in chamber may detonate without pulling trigger The heat from the barrel alone may cause ammunition to detonate Allow adequate time for firearm to cool to prevent an overheated barrel Allow barrel to cool to ambient air temperature Do not exceed 10 12 rounds per minute to prevent an overheated barrel reduced barrel life and or voiding your warranty Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com 31 You must check your ammunition prior to using your OMEN It must be within SAAMI specifications for size and pressure 32 Blown and pierced primers will damage bolt and firing pin A pierced primer will cause firing pin to continue to pierce primers and may cause a catastrophic failure to your rifle and serious
29. rom several barrel makers on the best barrel break in and cleaning for your rifle barrel Using these break in procedures and cleaning instructions you can ensure that your barrel will clean easily in the future and that you will achieve maximum accuracy COPPER FOULING Caused by bullet jacket material left in the barrel POWDER FOULING Caused by burned and unburned powder left in the barrel During the first few rounds a lot of copper fouling will be left in the barrel It is important to remove this fouling completely after each shot to help prevent a build up later on Powder fouling is ongoing but is easy to remove Do not use moly coated bullets during break in procedure BARREL BREAK IN Cleaning items needed Brush action rod guide rifle barrel solvent non copper removing solvent copper removal solvent and CLP cleaner lubricant preservative There are many good brands of each of these cleaning items For break in the barrel should be cleaned after every shot for the first 5 20 rounds or until copper fouling stops Before shooting your rifle for the first time 10 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com the barrel needs to be cleaned to remove the preservative Use only quality factory ammunition Do not use lacquer coated ammunition at any time 1 Saturate a patch with a copper removing solvent and thoroughly soak the barrel Do not use a bronze copper cleaning tip as this will g
30. sign that is very similar to the original M16 trigger The number of parts is identical There are no adjustment screws to come loose All springs are captive they will not get lost during disassembly in the field The entire trigger can be dissembled for cleaning no rivets or staked parts The trigger can be installed without removing the safety Sear engagement is pre set from the factory Hammer and trigger pins are a close slip fit into nominal receiver holes so the trigger can be installed and removed with rudimentary tools Triggers come with a slave pin for the trigger disconnector assembly for easy installation SAFETY ADVANTAGES The Geissele SSA E is a 2 stage trigger where there is generous overlap of the sear surfaces which contributes to safety and a low tendency of any inadvertent movement of the trigger to discharge the weapon The Geissele SSA E has a patented pseudo sear that is almost identical to the standard AR15 single stage sear However this secondary sear has surfaces that never touch during normal operation This sear prevents the hammer from falling unless the trigger is pulled The secondary safety sear contributes to shooter confidence in dynamic vehicle situations where a fellow shooter s muzzle may cover him There is firm knowledge that even with the safety in the fire position the weapon can never discharge unless the trigger is pulled Trigger timing is robust and parts have been sized to o
31. uffer does not have to be replaced if the face is dented REPLACEMENT PARTS You can visit our Web site at www nemoarms com or call us at 406 752 6366 or e mail us at info nemoarms com to find any replacement part or add an accessory to your rifle Copyright 2013 NEMO Arms 3582 Hwy 93 S Kalispell Montana 59901 39 40 Phone 406 752 NEMO 6366 Email info nemoarms com www nemoarms com
32. urn it counterclockwise Copyright 2013 NEMO Arms 3582 Hwy 93 S Kalispell Montana 59901 LUBRICATION OF YOUR RIFLE AND COMPONENTS Lightly Lubed A film of CLP barely visible to the eye Generously Lubed Heavy enough CLP so that it can be spread with the finger Your rifle has been generously lubed from the factory This is to allow for function during the break in period Your rifle will be broke in after 20 100 rounds of ammunition After this time you should clean your entire rifle and re lubricate A clean rifle will function much better than a dirty rifle Having a clean lubricated rifle will alleviate a lot of potential functioning problems Only apply generous lubrication to the areas that need it Applying excessive lubrication traps dirt and debris at a faster rate If you are using your rifle in sub freezing weather use a CLP that is rated for winter arctic use PERSONAL PROTECTIVE EQUIPMENT Reducing the sound by at least 30 decibels is highly recommended Repeated exposure to the high decibels that firearms produce may cause permanent hearing loss Use ear protection ear plugs or ear muffs at all times The use of shooting glasses is encouraged Quality shooting glasses protect you from spent shell casings burned and unburned powder and gasses and UV rays Beware of a hot barrel or muzzle after shooting rapid fire or extended shooting BARREL BREAK IN AND CLEANING INSTRUCTIONS We ve compiled information f
33. y closed in full battery when firing your weapon Failure to have the bolt closed will cause a catastrophic failure that will result in injury or death DO NOT interchange bolt assemblies from one rifle carbine to another Doing so may result in injury or death Bolt cam pin must be installed or rifle carbine will blow up while firing If the bolt cam pin is not installed injury or death may result If there is water or an obstruction in the barrel including the chamber and barrel extension do not fire The gun may explode and cause damage to firearm and personal injury or death Do not drop your firearm it may discharge A dropped firearm must be inspected by a qualified gunsmith to ensure firearm is undamaged and safe to operate There is no safety substitute for common sense You the owner are the most important safety device when it comes to the use of your NEMO Arms Inc firearm The safe use of your firearm is your personal responsibility Failure to follow these basic guidelines may result in property damage injury or death Clean and inspect your firearm regularly Failure to clean and inspect your firearm regularly will void your warranty and if discharged may cause property damage injury or death If you notice a difference in sound or recoil from your firearm stop firing There may be a bullet lodged in the barrel ammunition malfunction overheated barrel or firearm or could indicate any number of problems Point firea
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