BOLT CARRIER GROUP
The AR-15 Bolt Carrier Group (BCG) is a critical component of the rifle's functioning, acting as the core of the firearm's gas-operated system. Comprising essential AR-15 parts the bolt itself, carrier, firing pin, gas key, cam pin, and retaining pin, the BCG is responsible for the cycle of loading, firing, extracting, and ejecting rounds. Its design and construction are paramount for the reliable operation of the AR-15, with materials and coatings varying to enhance durability, reduce wear, and ensure smooth action. The BCG's proper maintenance is essential for the rifle's longevity and performance, making it a focus of attention for both builders and users of AR-15 rifles. Given its importance, selecting a high-quality BCG can significantly affect the overall functionality and efficiency of the firearm.
The AR-15 Bolt Carrier Group (BCG) is a critical component of the rifle's functioning, acting as the core of the firearm's gas-operated system. Comprising the bolt itself, carrier, firing pin, gas key, cam pin, and retaining pin, the BCG is responsible for the cycle of loading, firing, extracting, and ejecting rounds. Its design and construction are paramount for the reliable operation of the AR-15, with materials and coatings varying to enhance durability, reduce wear, and ensure smooth action.