The KAK K-SPEC Enhanced bolt carrier group is a plug-and-play AR-15 BCG for 5.56 NATO and 300 Blackout that runs suppressed or unsuppressed without extra gas or buffer tuning. It is cut to the M16 full-auto profile with slotted, angled sand-cut carrier rails that move fouling and debris away from contact surfaces, keeps standard side gas vents, and uses a dual-ejector bolt with mil-spec ejectors and springs for consistent ejection. The bolt is 9310 steel, and the whole group has a full hard chrome finish. It is machined and assembled in house by KAK Industry in Missouri.
- Manufacturer Part # : MO-425-0505-003
- Type : Bolt Carrier Group
- Fits : AR-15
- Caliber : 5.56 NATO / 300 Blackout
- Carrier Profile : M16 Full Auto
- Carrier : Sand Cut Rails
- Gas Vents : Side Vent
- Bolt : 9310 Steel, Dual Ejector
- Finish : Full Hard Chrome
- Color : Silver
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