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WMD Nitromet (Nitride) NiB Bolt Carrier Group w/ NiB Hammer 5.56 MPI HPT

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$135.99
MSRP: $179.99
You save $44.00

Info

SKU:SSOWMD556N

Info

SKU:
SSOWMD556N

Description

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Lifetime Guarantee! Nitromet (QPQ Nitride) carrier, Nickel Boron bolt and gas key, MPI and HPT. Includes NiB hammer.

Bolt - Carpenter 158 heat-treated, shot peened and magnetic particle inspected. Manufactured to government drawings. Milspec gas rings. NiB-X 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 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. Nitromet QPQ processed to Rc55 for durability and corrosion protection.

Gas Key - Hardened to USGI Specifications and attached using grade 8 hardened fasteners. 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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