Manufacturer: WMD Guns
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WMD NiB-X Bolt Carrier Group BCG M16 M4 Nickel Boron Available in Semi or Full Auto M16 Weight Style
Drop-In AR-15 BCGs to increase reliability and ease cleaning and maintenance. Now available in Cerakote colors: Pink, FDE, OD Green, Steel Grey
· Bolt – Carpenter 158 case hardened, shot peened and magnetic particle inspected. Manufactured to Government drawings. Mil Spec gas rings. NiB-X coated (40% more wear resistant than Chrome).
· Extractor – Manufactured, heat treated, hardened, per Government drawings. Black extractor buffer and heavy duty spring. NiB-X coated.
· Firing Pin – Manufactured, heat treated, hardened, Chromed and certified per Government drawings.
· Carrier – M16 style carrier (heavy weight), 8620 material, heat treated and case hardened. Manufacturing tolerances on inside diameters tightly controlled. NiB-X coated for durability and ease of cleaning.
· Gas Key – Hardened to USGI Specifications and attached using grade 8 hardened fasteners. Permatex No. 3D Aviation Form a gasket Type III Sealing Compound per MIL-S-45180 used on assembly. NiB-X coated. Staked per military specifications.
· Cam pin – Manufactured, heat treated, hardened and certified per Government drawings. NiB-X Coated.
· Rounded Hammer - Manufactured, heat treated, hardened and certified per Government drawings. NiB-X Coated.
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