KAK Industry K-SPEC Enhanced Bolt Carrier Group – 6.5 Grendel

The KAK Industry K-SPEC Enhanced Bolt Carrier Group is engineered specifically for 6.5 Grendel chambered AR-15 platform rifles. This BCG provides the correct bolt face geometry and gas key configuration to ensure reliable cycling with 6.5 Grendel ammunition, replacing factory or worn carrier groups that may cause extraction or feeding issues. Shooters building or maintaining a 6.5 Grendel upper will find this a direct solution for dependable function.

Constructed from 8620 steel with a black nitride finish, this BCG offers corrosion resistance and reduced friction for smoother operation and easier cleaning. The enhanced design includes dual ejectors for improved case extraction under varying conditions. Installation is drop-in for standard AR-15 lower receivers—no gunsmithing required, though proper headspacing verification is recommended when replacing a bolt.

• Part Type: Bolt Carrier Group
• Compatible Firearms: AR-15 platform rifles chambered in 6.5 Grendel
• Material: 8620 steel
• Finish: Black nitride
• Features: Dual ejector design
• Installation: Drop-in (headspace check recommended)
• Includes: Bolt carrier, bolt, cam pin, firing pin, retaining pin