AAC AR-15 .223/5.56 Complete Bolt Carrier Group NiB 64237

Advanced Armament Corporation
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Advanced Armament Corporation or AAC is an American company that develops and manufactures firearms, firearm silencers (suppressors), muzzle devices and related accessories. AAC has been instrumental in forming the American Silencer Association (ASA), a nonprofit trade association "to further the pursuit of education, public relations, legislation, hunting applications and military applications for the silencer industry.

This bolt carrier group from Advanced Armament Corporation would make a great choice for a new AR-15 build or upgrade for an existing modern sporting rifle. The full auto profile carrier is nickel-boron coated for smooth, reliable action. The Mil-Spec bolt is made from Carpenter 158 steel. The carrier has a proprietary cam pin travel path, and the carrier key is properly staked with Permatex.

Features and Specifications:
Manufacturer Number: 64237
AAC AR-15 .223/5.56 Complete Bolt Carrier Group NiB
5.56 NATO, .300 AAC Blackout
Full auto profile
Nickel boron plated
Carpenter 158 bolt
Properly staked carrier key
Color: Stainless

AR-15 upper receivers


Item#: ARR-8578-022