CMMG MK4 PDW .300 AAC Blackout 8 Inch Medium Taper Threaded Barrel 5/8-24 Threads. Single Stage Mil-Spec Trigger. Equipped with the RKM7 KeyMod free floating hand guard, Black 30 Round
Equipped with the RKM7 KeyMod free floating hand guard and a nitrided 4140 CrMo steel medium taper threaded barrel (5/8-24 threads). Magpul MOE pistol grip and trigger guard. A2 compensator. Forged 7075-T6 AL M4 type upper receiver and AR15 type lower receiver. Single stage mil-spec style trigger.