The LWRCI ICDI .300 Blackout 16″ Direct Impingement M-LOK Tungsten Grey Upper is a high-quality AR-pattern upper receiver component designed to chamber the versatile .300 AAC Blackout cartridge while providing the reliability and modularity LWRC International is known for. It features a cold-hammer-forged 16.1-inch barrel with a 1:7″ twist rate and 5/8″-24 TPI threaded muzzle, finished in Tungsten Grey Cerakote for enhanced corrosion resistance and a rugged appearance. The upper includes a free-float M-LOK handguard for versatile accessory mounting and integrates LWRCI’s Direct Impingement gas system with keyless bolt carrier design. Built to mate with any standard AR-15-pattern lower, this upper delivers modern performance and durability for builds ranging from hunting setups to range-ready rifle configurations.