Fail Zero BCG, 7.62x39mm Assembled (No Hammer)

Description

The Fail Zero assembled bolt carrier group is configured for AR-15 platforms chambered in 7.62x39mm and ships ready for drop-in installation into most mil-spec uppers. Critical components receive EXO Nickel Boron treatment to provide permanent dry lubricity, improved wear resistance, and easier cleaning after use with corrosive ammunition. The assembly includes an M16-cut carrier, cam pin, carrier key, and extractor hardware designed to improve extraction tension. A Black Rifle Arms enhanced firing pin is included to address ignition issues with some hard-seated primers.

Key Specifications

• Compatible with 7.62x39mm mil-spec upper receivers.
• Critical parts feature EXO Nickel Boron treatment for dry lubricity and corrosion resistance.
• Constructed from Steel.
• Ships fully assembled for drop-in installation.
• Includes an M16 cut bolt carrier with cam pin and carrier key.
• Extractor hardware uses a heavy spring silicone insert and o-ring for improved extraction tension.
• Equipped with a Black Rifle Arms Enhanced Firing Pin to help with difficult primers.
• Finish style listed as 7.62X39MM/CLASSIC FINISH.
• Listed overall dimensions: 1.60 x 3.80 x 10.30.

Purpose-built for shooters who value reliable, low-maintenance components, this assembled BCG simplifies upgrades and repairs for 7.62x39mm AR-15 rifles. The combination of coated contact surfaces and enhanced extractor hardware reduces cleaning frequency and supports consistent function in range and field use. Add this BCG to a build or upgrade when you need a durable, drop-in replacement that prioritizes dependable operation and straightforward maintenance.