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

The K-SPEC bolt carrier group (BCG) is designed to enhance the performance and reliability of AR-15-style firearms in both suppressed and unsuppressed modes, across various challenging conditions. It offers seamless integration for a plug-and-play experience, requiring no additional tuning or adjustments to the gas or recoil systems. For suppressor users, the K-SPEC BCG eliminates the need for extra modifications, ensuring reliable operation straight out of the box. Built to the M16 full-auto pr