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AR15/M16 Bolt Carrier Group Nitrided 5.56


4 in stock

4 in stock


Brand New M16 Spec AR-15 Bolt Carrier Group. 5.56, 300Blackout, .223 Remington

Carrier – 8620 tool steel
Bolt – 9310 Magnetic Particle Inspected (MPI)
Gas Key – 4140 Machined
Extractor – 4140 Machined
Salt Bath Nitride Finish
Gas keys are staked to the military print on our hydraulic staking machine ensuring consistency in staking. Installed with Permatex around the gas port per the print.
Shot Peened
Fully Mil-Spec Bolt Carrier
100% Made in the USA

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