.308 7.62x51 Nickel Boron Complete Bolt Carrier Group NIB-X FA

.308 7.62x51 Nickel Boron Complete Bolt Carrier Group NIB-X FA

NiBx Coated FA .308 DPMS Patterned Complete Bolt Carrier Group

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Lewis Machine & Tool LMT 5.56 Bolt Carrier Group BCG

Lewis Machine & Tool LMT 5.56 Bolt Carrier Group BCG

LMT BCG's go through High Pressure/Magnetic Particle testing. This bolt comes with a black extractor insert and Crane O-Ring. The carrier group also includes a firing pin, cam pin and retaining pin. SA, FA BCG available.