416 Stainless Steel Medium Taper Barrel
CMMG SV Muzzle Brake
RKM14 KeyMod Handguard
Mapul CTR 6-Postion Buttstock
Geissele Automatics SSA 2-Stage Trigger
CMMG's customer service and product lineup are second to none. All of their rifles and firearms parts are made in the United States from the best materials available. The Mk4 RCE is one of CMMG’s premiere rifles, featuring a 16″ 416 stainless steel medium taper profile barrel. The RCE is equipped with CMMG’s own SV muzzle brake and the RKM14 KeyMod handguard. Every rifle has a Geissele SSA 2-stage trigger and Magpul’s MOE pistol grip, MOE trigger guard and CTR buttstock installed. The barrel has 5/8-24 threads and a 1 in 7" twist. The receiver is made up of a forged 7075-T6 AL M4-type upper with an AR15-type lower.