CMMG Bolt Assembly, AR15

CMMG Bolt Assembly, AR15

Spike's Tactical, M16 Bolt Carrier Group

Spike's Tactical, M16 Bolt Carrier Group

WMD Guns AR-15/M16/M4 Full Auto Bolt Carrier Group - NIb-X Nickel Boron Polished - WITHOUT HAMMER 5

WMD Guns AR-15/M16/M4 Full Auto Bolt Carrier Group - NIb-X Nickel Boron Polished - WITHOUT HAMMER 5
$178.99
Availability: Out of stock
SKU
NIBXBCG-0001

NiB-X M16/AR-15 Full Auto Bolt Carrier Group - POLISHED All WMD BCG components are manufactured by Defense Industrial Base suppliers to WMD's exacting specifications to provide the best BCG available. Specifically engineered for NiB-X nickel boron coating to provide long life, high reliability and easy cleaning and maintenance. The BCG components are coated and polished to reduce fouling adherence. Coating is guaranteed for life against chipping, spalling or flaking. Over 30K rounds in Government protocol endurance testing did not wear the coating off. Especially beneficial in short barrel setups and suppressed platforms.

Specifications:

Bolt - Carpenter 158 heat-treated, shot-peened and magnetic particle inspected Engineered from  government drawings for NiB-X. Milspec gas rings. NiB-X coated (40% more wear-resistant than chrome).

Extractor - Manufactured, heat-treated, and hardened per government drawings NiB-X coated.

Firing Pin - Manufactured, heat-treated, hardened, chromed and certified per Government drawings.

Carrier - M4/16 style full auto (heavier) functions in AR15 and M4/16 platforms, 8620 material, heat treated and case hardened. Manufacturing tolerances and surface finishes 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.

More Information
ManufacturerWMD Guns
Caliber.223 / 5.56
Accessory RailNot Applicable
WarrantyWarranty provided by product manufacturer.
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