The Fail Zero assembled bolt carrier group is designed for AR-15 platforms chambered in 7.62x39mm. It features EXO Nickel Boron-treated critical components, an M16-cut carrier, and an enhanced firing pin.

Key Specifications

• The chambering is 7.62x39mm for compatible AR-15 platforms.
• The assembly is supplied fully assembled for installation in most compatible mil-spec upper receivers.
• Critical components receive EXO Nickel Boron treatment.
• The carrier uses an M16-cut design.
• The bolt and extractor are 7.62x39mm compatible.
• The extractor hardware includes a heavy spring, silicone insert, and O-ring.
• The included firing pin is a Black Rifle Arms Enhanced Firing Pin.
• The bolt uses Mil-Spec length.
• The listed material is steel.
• The product is identified as a complete AR-15 bolt carrier.

With its assembled configuration and treated wear surfaces, this bolt carrier group provides a purpose-built component option for compatible 7.62x39mm AR-15 builds and maintenance projects. The included cam pin and carrier key complete the listed assembly.