KAK Industry Bolt Carrier Group for AR-15 5.56/300 Blackout – Phosphate Finish, Black (425-0512-001)

• AR15 bolt carrier group for 556 and 300 Blackout rifle configurations
• 9310 steel bolt paired with chrome lined carrier for enhanced durability and wear resistance
• Phosphate finish provides corrosion protection and traditional matte black appearance
• M16 auto profile carrier supports reliable cycling in semi automatic rifle systems
• 4130 steel gas key with secure mounting for consistent gas system operation
• Phosphate cam pin and internal components designed for long term service reliability

The KAK Industry AR15 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 bolt and a chrome lined interior with a phosphate exterior finish. It is used as a complete cycling component in direct impingement rifle systems.

The KAK Industry AR15 Bolt Carrier Group 556/300 Blackout Phosphate includes an M16 auto profile carrier machined from steel and a 4130 gas key. This model uses a phosphate coated cam pin and is finished in black for standard AR-15 configurations. It is categorized under bolt carrier group components and is compatible with AR-15 platforms. In practical use, this bolt carrier group is used for range use and rifle maintenance where a complete bolt carrier group is required for standard operation.