CMMG

The Mk4 RCE is one of CMMGs premiere rifles. The Mk4 RCE features a 16 416 stainless steel medium taper profile barrel available in either 5.56x45mm or 300 BLK. The RCE is equipped with CMMGs own SV muzzle brake and RKM14 KeyMod hand guard. Every rifle has a Geissele SSA 2-stage trigger and Magpuls MOE pistol grip MOE trigger guard and CTR butt stock installed. - Caliber: 5.56mm - Barrel: 16 medium weight taper profile - Muzzle: CMMG SV brake threaded 1/2-28 - Hand Guard: CMMG RKM14 KeyMod hand guard - Receiver: Forged 7075-T6 AL M4 type