WMD Guns NiB-X Coating Bolt Carrier Group BCG Polished Finish AR-15 Semi-Auto

WMD Guns NiB-X Coating Bolt Carrier Group BCG Polished Finish AR-15 Semi-Auto. These Bolt Carrier Groups by WMD Guns are manufactured heat treated and hardened per Government drawings and the gas key is attached using grade 8 fasteners and staked per military specifications. The WMB Guns Semi-Auto Bolt Carrier Group BCG is perfect for short barrel setups or suppressed platforms with all components coated and polished for the reduction of fouling adherence and to provide durability reliability and easy maintenance. When you need a bolt carrier that will provide your rifle with round after round of reliable shooting choose the WMB Guns Polished AR-15 BCG Specifications for WMB Guns AR15 Semi Auto Bolt Carrier Group (BCG): Manufacturer: WMD Guns Gun Model: AR-15 Last Chance: Yes Features of WMB Guns Semi-Auto Bolt Carrier Group BCG 1UX-BCG-NIBXBCG-0003: Bolt - Carpenter 158 heat-treated shot-peened and magnetic particle inspected. Engineered from government drawings for NiB-X. Milspec gas rings. NiB-X coated (40percent 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 - AR15 style semi auto 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. Package Contents: WMB Guns AR15 Semi Auto Bolt Carrier Group 1UX-BCG-NIBXBCG-0003