CMMG MK4 K 5.56x45mm 12.5″ Medium Weight Milti-Role Barrel A2 Compensator RKM11 KeyMod Hand Guard Magpul MOE Pistol Grip and Stock Black 30rd – All NFA Rules Apply

RKM11 KeyMod free-floating hand guard. 4140 CrMo medium weight multi-role barrel with 1:7 twist is nitrided. A2 compensator. 7075-T6 aluminum forged receiver. Single stage Mil-spec type trigger. Includes a Magpul MOE adjustable stock, pistol grip and trigger guard. All NFA rules apply.Barrel Length : 12.5Caliber : 5.56x45mmCapacity : 30Item Description : CMM MK4 K 5.56 12.5 BLK 30Caliber-Gauge : .223 REM.Made In The USATactica : TacticalNFA Web Model : Model MK4