WMD Guns NIB X Bolt Carrier Group

    Aug. 7, 2016
    Related To:
    WMD GUNS NIB X BOLT CARRIER GROUP
    WMD GUNS NIB X BOLT CARRIER GROUP

    Drop-In AR-15 BCGs to increase reliability and ease cleaning and maintenance. (for direct impingement rifles only)

    • 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.

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