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Aero Precision Nickel Boron 5.56 BCG Aero Precision's NiB bolt carrier group features more than just a chrome-like finish. The bolt receives magnetic particle inspection (MPI), and is shot-peened to...
Aero Precision 5.56 Nitride Bolt Carrier Group Aero Precision makes high quality parts suitable for any build, and this BCG is no exception. This part features a slick, easy-to-clean black...2 Options
Go PRO - The Best BCG that Aero Precision has to Offer The Aero Precision PRO 5.56 Bolt Carrier Group represents the best value for the most prolific, high-volume shooters....
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