WMD Guns NiB-X .223/5.56mm Complete Mil-Spec Bolt Carrier Group Assembly- Nickel Boron Coated

WMD brings the advanced performance of nickel boron to one of the most critical components on your AR. Completely coated in their proprietary NiB-X coating and polished to a presentation-grade sheen, this top-quality BCG resists fouling, needs practically no lubrication, and can be cleaned with a quick wipe of a cloth. You’ll find that it provides extraordinary reliability…while dramatically reducing the time you spend cleaning.

Features:

• 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. NiB-X coated for durability and ease of cleaning.
• 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.
• Hammer – Manufactured, heat treated, hardened and certified per government drawings. NiB-X Coated. Can be semi-auto or full-auto.

MADE IN USA!!!