Description The LANTAC Enhanced Bolt Carrier Group is a precision-engineered carrier assembly for .308 / 7.62 NATO applications, built with durability and consistent cycling in mind. The carrier is machined from heat-treated 8620 steel and the bolt is shot-peened and MPI inspected, manufactured from Carpenter 158 or 9310. The entire carrier assembly receives a QPQ (quench polish quench) nitride coating for a hard, low-friction surface and improved corrosion resistance. This configuration is documented for DPMS Gen 1 pattern rifles and is compatible with both semi-auto and full-auto configured systems where applicable. Key Specifications Caliber is .308 / 7.62 NATO. Compatible with DPMS Gen 1 pattern rifles. The carrier is precision machined from 8620 steel. The bolt is manufactured from Carpenter 158 or 9310 and is magnetically particle inspected. Finish is QPQ nitride (black) for wear and corrosion resistance. Weight is 1 lb 2.1 oz. Features a hard chrome lined gas key that is properly staked with grade 8 fasteners. Includes the patent-pending CP-R360 domed cam pin (17-4PH stainless, approx H900). Equipped with mil-spec gas rings. Manufactured in the USA and covered by a lifetime warranty. For owners seeking a durable, precision-built bolt carrier group for .308 / 7.62 NATO DPMS Gen 1 rifles, the LANTAC Enhanced BCG delivers engineered features that address wear, consistency, and thermal performance. Its combination of hardened components, controlled forward porting, and low-friction QPQ finish make it a practical choice for maintaining reliable operation and longevity in service-oriented applications.