KAK Industry K-SPEC Enhanced Bolt Carrier Group for AR-15 5.56/300 Blackout – Dual Ejector, NP3 Finish (425-0506-003)

• Enhanced bolt carrier group designed for AR-15 5.56 and 300 Blackout rifles
• Features dual ejector system for improved extraction reliability and consistency
• NP3 finish reduces friction and enhances resistance to fouling buildup
• Full auto profile carrier supports compatibility with standard AR-15 platforms
• Includes downward gas ports and angled carrier rail cuts for improved function
• Designed for reliable performance in suppressed and unsuppressed configurations

The KAK Industry K-SPEC Enhanced Bolt Carrier Group AR-15 556/300 Blackout NP3 Finish Silver is a bolt carrier group designed for use in AR-15 rifles chambered in 5.56 NATO and 300 Blackout. This bolt carrier group features a 9310 steel bolt, NP3 finish, dual ejectors, and downward gas ports.

The KAK Industry K-SPEC Enhanced Bolt Carrier Group includes angled carrier rail cuts and a full auto profile carrier for compatibility with standard AR-15 platforms. The NP3 finish provides a defined coating type across the carrier components. This product is used for installing a complete bolt carrier group in AR-15 rifles. In practical use, the dual ejector configuration and downward venting design support consistent operation in standard configurations for range use or general shooting applications.