OPERATION, MAINTENANCE & TROUBLESHOOTING IMPORTANT This manual contains operating, care and maintenance instructions. To assure safe operation, any user of this firearm must read and understand this manual before using the firearm. Failure to follow the instructions and heed the warnings of this manual can cause property damage, personal injury, and/or death. This manual should always accompany this firearm, and be transferred with upon change of ownership.
THE TEN COMMANDMENTS OF FIREARM SAFETY The Ten Commandments of Firearm Safety should be etched in your memory forever. Let them govern your action wherever and whenever you’re involved with firearms, in the field, on the range, or in your home. Please take the time to review and understand these rules. 1st COMMANDMENT ALWAYS KEEP THE MUZZLE POINTED IN A SAFE DIRECTION. This is the most important firearm safety rule.
from an overcharge of powder or other deviations from established reloading guidelines. Be very careful. The process of reloading exposes you to environmentally hazardous material. Lead, which is known to cause cancer and birth defects, is the most common substance in bullets and shot. It is important to handle lead bullets and shot with extreme care. Work only in a well-ventilated area and always wash your hands after exposure and before eating. Never smoke while reloading.
Thank you for buying an ADVANCED ARMAMENT CORP (AAC) product. PLEASE PRACTICE SAFE FIREARMS HANDLING! WARNING: It is very important that you read and understand this manual before using the new rifle. Warnings should be read and heeded carefully. Always follow the “Ten Commandments of Firearm Safety,” listed in this manual. Failure to follow these rules, warnings, and other instructions in this manual, can result in personal injury, property damage or death.
CLEARING/UNLOADING YOUR RIFLE WARNING! Never assume your firearm is unloaded to justify careless handling. Always control the direction of the muzzle of your firearm, even if you think it is completely unloaded. Careless handling of a firearm may cause property damage, personal injury and/or death. SAFETY FUNCTION CHECK FIGURE 1 WARNING! If the firearm experiences a malfunction during the Safety Function Check, the firearm is unsafe and its use may cause property damage, personal injury, and/or death.
WARNING! AR15 style firearms are modular and due to the modularity, it is possible to affix an upper receiver to a lower receiver with a differently designated caliber/ cartridge. Only use ammunition designated by the barrel of the upper receiver with your firearm. Using ammunition not designated by the barrel of the upper receiver may cause property damage, personal injury and/or death.
6. W ith a loaded magazine secured in the magazine well, depress the upper portion of the bolt release button. See Figure 13. This will cause bolt to close and chamber a loaded cartridge. Pulling the charging handle fully rearward and releasing it will also cause the bolt to close and chamber a loaded cartridge. See Figure 15. 7. Tap the forward assist with the heel of your hand to ensure the bolt is fully forward and closed. See Figure 14.
DISASSEMBLING YOUR RIFLE 3. P ush the Takedown Pin (a bullet tip may help) as far as it will go to the shooter’s right. See Figure 17. 4. Pivot the upper receiver away from the lower receiver. See Figure 18. 5. Carefully pull rearward on the Charging Handle and Bolt Assembly. See Figure 19. 6. Remove the Bolt Assembly from the upper receiver. See Figure 20. FIGURE 17 FIRING PIN CAM PIN FIRING PIN RETAINING PIN FIGURE 21 2.
DISASSEMBLE USING STEPS 15 THROUGH 18 ONLY WHEN PARTS ARE DIRTY OR DAMAGED. NOTE: The Extractor Spring is under compression and may be easily lost when the Extractor Pin is removed. 15. Remove the Extractor Pin by pushing it out with a punch or the tip of a Bullet. See Figure 28. DON’T LOSE IT! FIGURE 30 16. Remove the Extractor and Extractor Spring. See Figure 29. ith Hammer cocked, depress Buffer Retainer with 17. W a punch or Bullet tip to release the Buffer and Spring. See Figure 30.
18. A pply a light application of Rem Oil™ to the outside of the barrel with a soft clean cloth. WARNING! When checking the bolt, look for cracks or fractures, especially in the Cam Pin hole area. A bolt showing cracks or fractures should be replaced. Use of a cracked or fractured bolt may cause property damage, personal injury and/or death. WARNING! After cleaning, make sure the barrel is free of obstructions, see the “Checking for and Removing a Barrel Obstruction,” section of this manual.
CLEANING THE LOWER RECEIVER 7. I nspect and wipe clean the Bolt Catch Mechanism. WARNING! Unload the firearm before cleaning. Look into the ejection port and visually check the chamber and magazine to make sure there are no cartridges in the firearm. Always wear eye protection when handling, disassembling and reassembling the firearm. Failure to follow these instructions may cause property damage, personal injury and/or death. 8. I nspect and wipe clean the Receiver’s Takedown and Pivot Pins. 1.
BOLT ASSEMBLY 1. Always keep the firearm pointed in a safe direction. WARNING! Unload the firearm before lubricating. Look into the ejection port and visually check the chamber and magazine to make sure there are no cartridges in the firearm. Always wear eye protection when handling, disassembling and reassembling the firearm. Failure to follow these instructions may cause property damage, personal injury and/or death. 2. Remove the magazine, pull and hold the bolt fully rearward to inspect the chamber.
TROUBLESHOOTING DIRT, CORROSION, OR CARBON BUILDUP IN BARREL LOCKING LUGS Clean Lugs PROBLEM: CHECK FOR: WHAT TO DO: RIFLE WON’T FIRE SELECTOR LEVER ON SAFE Put it on fire SHORT RECOIL Loose Carrier Key Screws Have Gunsmith torque and stake key screws IMPROPER ASSEMBLY OF FIRING PIN Assemble correctly - Retaining pin goes in back of large shoulder on firing pin BOLT FAILS TO LOCK CARBON OR DIRT IN CARRIER KEY OR ON OUTSIDE OF GAS TUBE Clean Carrier Key or around Gas Tube TOO MUCH OIL IN FIR
MAGAZINES ACTION SPRING/BUFFER AAC 300 BLACKOUT ammo can feed from standard USGI or Magpul P-Mags. A magazine with the standard MIL-STD 17-7 stainless spring may be stored fully loaded with 30 rounds indefinitely. Note that Chrome Silicon springs will not resist taking a set better than MIL-STD 17-7 magazine springs regardless of how they have been marketed. The 16 inch upper with a carbine length gas system should use a “C” rated buffer. All other uppers should use an H2 buffer (160 grams).
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