Description
Check out the specs: Bolt – 9310 heat-treated. Milspec gas rings. NiB-X coated (Rc70, 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 – 8620 material, heat-treated and case hardened. Manufacturing tolerances on inside diameters tightly controlled. Nitromet QPQ processed for Rc55 surface hardness, 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.
