Description

The WMD NiB-X Full Auto Bolt Carrier Group is the ultimate BCG for your M16/AR-15 style build. The bolt is Carpenter 158 heat-treated, shot peened and magnetic particle inspected and Manufactured to government drawings. Includes Mil Spec gas rings. NiB-X Black coated (40% more wear-resistant than chrome). The Extractor is Manufactured, heat treated, and hardened per government drawings. Black extractor buffer and heavy-duty spring. NiB-X Black coated. The Firing Pin is manufactured, heat-treated, hardened, chromed and certified per government drawings. The Carrier – AR-15 or M16 style (heavy weight), 8620 material, heat treated and case hardened. Manufacturing tolerances on inside diameters tightly controlled. NiB-X Black coated for durability and ease of cleaning. The Gas Key is Hardened to USGI Specifications and attached using grade 8 hardened fasteners. NiB-X Black coated. Staked per military specifications. The Cam pin is Manufactured, heat treated, hardened and certified per Government drawings. NiB-X Black Coated.

Manufacturer Part Number: NIBXBCG-0001BLK