KAK Industry K-SPEC Enhanced Bolt Carrier Group for AR-15 5.56/300 Blackout – Dual Ejector, Phosphate (425-0512-003)

• Enhanced AR15 bolt carrier group for 556 and 300 Blackout platforms
• 9310 steel bolt with chrome lined carrier improves durability under repeated firing cycles
• Dual ejector system enhances extraction reliability in adverse shooting conditions
• Downward gas vents reduce blowback during suppressed and unsuppressed operation
• Slotted angled carrier rails support smoother cycling and debris tolerance
• Full auto profile carrier with phosphate finish and chrome lined gas key

The KAK Industry K-SPEC Enhanced Bolt Carrier Group 556/300 Blackout Phosphate 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 construction and a chrome lined interior with a phosphate finish. It is used as a complete cycling component in direct impingement systems.

The KAK Industry K-SPEC Enhanced Bolt Carrier Group 556/300 Blackout Phosphate includes dual ejectors and downward gas vents for controlled operation. This model features slotted angled carrier rail cuts and a full auto profile carrier for AR-15 compatibility. It uses a 4130 gas key and is finished in black phosphate for corrosion resistance. In practical use, this bolt carrier group is used for range use and integration into AR-15 platforms requiring a complete bolt carrier group assembly.