CMMG MK4 K Pistol 5.56mm NATO 12.5 Inch Medium Weight Multi-Role Profile Threaded Barrel. 1/2-28 Threads. Includes the RKM11 KeyMod free floating hand guard Black 30 Rounds
Includes the RKM11 KeyMod free floating hand guard. Nitrided 4140 CrMo steel medium weight multi-role profile threaded barrel (1/2-28 threads). A2 muzzle compensator. Magpul MOE pistol grip and trigger guard. Forged 7075-T6 AL M4 type upper receiver, AR15 type lower receiver. Single stage mil-spec style trigger.