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Lewis Machine and Tool - LMT Bolt Carrier Groups BCGs
- Click Picture for Bolt Carrier Groups from LMT - Lewis Machine and Tool for the AR15, M4, and M16
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.308 7.62x51 Nickel Boron Complete Bolt Carrier Group NIB-X FA
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NiBx Coated FA .308 DPMS Patterned Complete Bolt Carrier Group
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Lewis Machine & Tool LMT 5.56 Bolt Carrier Group BCG
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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.