Brownells Bolt Carrier Gas Key, Black

The Brownells bolt carrier gas key, black, is a precision-engineered component designed for optimal performance in AR-15 platforms. Constructed from high-grade steel, this gas key ensures reliable gas flow and efficient cycling of the bolt carrier group. The black finish provides enhanced corrosion resistance and durability under various operational conditions. Each unit is meticulously machined to meet stringent military specifications, ensuring compatibility and seamless integration with standard bolt carriers. The gas key is secured with hardened screws and properly staked to prevent loosening during operation, maintaining consistent performance and reliability.OEM replacement AR-15/M16 bolt carrier gas key