AR-15/M16/M4 Full Auto Bolt Carrier Group – NiB-X Black Nickel Boron POLISHED

$190.00

NiB-X BLACK, Complete BCG, Dual coating technology yields the most durable finish available. For those seeking the best.

Out of stock

Categories: , SKU: NIBXBCG0001-BLK

Description

Bolt – Carpenter 158 heat-treated, shot peened and magnetic particle inspected. Manufactured to government drawings. Mil Spec gas rings. NiB-X Black coated (40% more wear-resistant than chrome).Extractor – Manufactured, heat treated, and hardened per government drawings. Black extractor buffer and heavy-duty spring. NiB-X Black coated. Firing Pin – Manufactured, heat-treated, hardened, chromed and certified per government drawings. Carrier – AR-15 or M16 style (heavy weight), 8620 material, heat treated and case hardened. Manufacturing tolerances on inside diameters tightly controlled. NiB-X Black coated for durability and ease of cleaning. Gas Key – Hardened to USGI Specifications and attached using grade 8 hardened fasteners. NiB-X Black coated. Staked per military specifications. Cam pin – Manufactured, heat treated, hardened and certified per Government drawings. NiB-X Black coated.

1 review for AR-15/M16/M4 Full Auto Bolt Carrier Group – NiB-X Black Nickel Boron POLISHED

  1. Gunmang (verified owner)

    First WMD BCG I’ve used, definitely not the last. Looks great, functions better. Well made in the USA. Highly recommend.

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