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Iron City Rifle Works BlackDiamond Enhanced G2 Competition Bolt Carrier Group (BCG) has been discontinued by Iron City Rifle Works and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Upper Parts, Bolt Carrier Groups yourself to try and find the perfect replacement for you!
BlackDiamond G2 Competition Enhanced (BCG).
BlackDiamond is our best coating available. Our proprietary DLC coating is slicker, harder and more wear resistant than any other coating we have found. This steel bolt carrier weighs in at 6.9oz. It is our slickest (coefficient of friction - 0.01) coating. Matched with our Enhanced Bolt made of Carpenter-158 steel you can be confident you have the very best.
Why choose BlackDiamond:
CATAGORICALLY THE BEST COATING USED TODAY.
HIGHEST RELIABILITY IN DRY OPERATIONS.
COATING CREATES A SMOOTH AND STABLE PLATFORM.
LESS RECOIL - GREATER ACCURACY.
INCREASED WEAR RESISTANT.
FASTER CYCLE RATE.
EASIER TO CLEAN.
HARDER: 3000 VICKERS.
SLICKER: COEFFICIENT OF FRICTION 0.01.
Caution: (SLIPPERY WHEN DRY).
Competition Bolt Carrier Groups are designed for 556 and MUST be used with a reduced recoil system designed for light weight carriers.
Iron City Rifle Works HIGHLY recommends using an adjustable gas system and a reduced recoil buffer and spring for best results.