KAK Industry K-SPEC AR-15 M16 Bolt Carrier Group 5.56 NATO Dual Ejector FDE PVD Finish

The KAK Industry K-SPEC Enhanced Bolt Carrier Group (BCG) is built to improve AR-15 reliability in demanding use, whether you run your rifle suppressed or unsuppressed. Designed as a true plug-and-play upgrade, the K-SPEC focuses on controlled gas management and consistent cycling through features like downward gas ports, angled carrier rail cuts, and a full-auto (M16) carrier profile. Finished in Flat Dark Earth (FDE) PVD and engineered with precision-ground components, this BCG is a performance-minded choice for 5.56 NATO and .300 AAC Blackout AR-15 platforms.

Product Highlights

• Dual ejectors promote consistent, reliable ejection and improved function under hard use
• Downward gas ports help reduce gas blowback to the shooter, especially when suppressed
• Angled carrier rail cuts support smoother operation in adverse conditions and extended suppressed firing
• Full-auto (M16) carrier profile with durable Flat Dark Earth (FDE) PVD finish
• Chrome-lined components for enhanced durability and corrosion resistance

Specs

• Brand: KAK Industry
• Product Type: Enhanced Bolt Carrier Group (BCG)
• Platform Compatibility: AR-15
• Cartridge Compatibility: 5.56x45mm NATO / .300 AAC Blackout
• Carrier Profile: Full Auto (M16)
• Key Features: Dual ejectors; downward gas ports; angled carrier rail cuts
• Finish/Color: Flat Dark Earth (FDE) PVD
• Materials: 8620 steel carrier; 9310 steel bolt
• Manufacturer Part Number: 425-0507-003
• UPC: 811163035699