Home / Shop / AR-15/M16/M4 5.56 Full Auto Bolt Carrier Group – NiB-X Black Nickel Boron

AR-15/M16/M4 5.56 Full Auto Bolt Carrier Group – NiB-X Black Nickel Boron

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(1 customer review)

$195.00

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

Availability: In Stock

SKU: NIBXBCG0001-BLK Return Policy

FLAT RATE SHIPPING $10 ON ORDERS UP TO $170

Description

Bolt – Case hardened 9310, shot peened, magnetic particle inspected, with high-performance extractor, ejector springs, gas rings and special O-ring buffer.  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.

Reviews (1)

1 review for AR-15/M16/M4 5.56 Full Auto Bolt Carrier Group – NiB-X Black Nickel Boron

  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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