KAK Industry K-Spec Enhanced Bolt Carrier Group 5.56x45mm/.300 AAC Blackout, Black

The K-Spec BCG is engineered for versatility and reliability, making it a great choice for both suppressed and unsuppressed AR-15 setups. It's designed to work seamlessly without requiring additional gas or recoil system adjustments, especially for those who run suppressed firearms. This plug and play feature ensures that you can rely on your BCG regardless of your configuration or mission. The M16 full auto profile ensures robust performance and compatibility, while the added reliability in various conditions, including extreme environments, makes it an ideal choice for demanding scenarios. Engineered for reliable performance in the most demanding conditions Optimized for reliable performance in both suppressed and unsuppressed applications, across all uses and conditions Dual ejectors for improved reliability and consistent ejection performance Angled carrier rail cuts for reliable performance in adverse conditions and extended suppressed use Downward gas ports for reduced gas blowback to the shooter Fully auto profile Permatex applied between the gas key and carrier mating surface for a secure and reliable seal Carrier made from 8620 steel with outside rails, bolt runs and gas bores ground to .0002 tolerances, featuring a chrome-lined phosphate finish Bolt made from C158 steel with outside diameters ground to .0002 tolerances, MPI tested, shot-peened and finished with a phosphate coating Firing pin made from 8740 steel, Swiss turned, heat-treated, precision ground and chrome-plated Cam pin made from 4140 steel, Swiss turned, heat-treated and finished with a phosphate coating for enhanced durability and corrosion-resistance Extractor made from 4140 steel, fully machined and finished with a phosphate coating Extractor pin made from S7 tool steel, precision ground and heat-treated for maximum strength and durability Ejector made from S7 tool steel, precision ground and heat-treated Gas key made from 4130 steel, heat-treated, secured with T25 Torx fasteners, torqued to spec and staked using a hydraulic staking machine, featuring a chrome-lined phosphate finish