Aero Precision 5.56 Bolt Carrier Group, Nickel Boron, APRH100070 - $135.99 (Free S/H over $49 + Get 2% back from your order in OP Bucks)

Description

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This Aero Precision 5.56 Complete BCG is one of the highest rated and most popular bolt carrier groups. That's because changing out the BCG is one of the easiest AR15 modifications you could make and Aero Precision is synonymous with quality. These Bolt Carrier Groups are constructed from 8620 tool steel (and 9310 steel for the bolt), shot peened, and magnetic particle inspected, so you can trust that they're built to last.The Aero Precision 5.56 Complete BCG features military specifications (mil-spec), including the gas key and extractor spring. Also, in the carrier itself, Aero machined forward assist serrations. It's also available in a variety of high-end finishes like phosphate, nitride, and nickel boron, but no matter the finish, it gets polished, so in the end you have an easier time cleaning dirt and carbon build up. If you plan on modifying your AR rifle, grab the Aero Precision 5.56 Complete Bolt Carrier Group today!
Specifications for Aero Precision 5.56 AR15 Bolt Carrier Group:
Fabric/Material: 8620 Steel
Caliber: 5.56x45mm NATO
Gun Model: AR-15
29D-BCG-AAPRH-APRH100070
UPC#: 815421020137