DBC BCG – 5.56/300 Blackout, Chrome Lined Phosphate (KAK Industry, SKU MO-425-3305-017) is an AR-15 bolt carrier group designed for Forced Reset Devices (FRD).
It features a floating weight in the carrier tail that creates a dead-blow effect to eliminate bolt bounce, allowing use of a standard 3 oz carbine buffer (instead of heavier H buffers) with FRDs.
left hand bolt carrier group 5.56
Key specs include an M16 auto-profile carrier machined from heat-treated 8620 steel with chrome-lined phosphate finish; a 9310 steel bolt that is heat-treated, precision-ground, shot-peened, and MPI’d; chrome-plated 8740 firing pin; one-piece billet extractor; phosphate cam pin; S7 tool steel ejector/extractor pin; chrome-lined phosphate 4130 gas key that is hydraulically staked; and Grade 8 T25 carrier key screws. Overall weight is 14.5 oz.
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