CMMG RESOLUTE 300 SERIES
various cals., DI, blowback, or radial-delayed blowback, 16.1, 16.6 (9mm Para cal. Mk9 receiver only) or 17 in. (.22 LR cal. Mk4 receiver only) CM barrels w/SBN finish, CMMG SV muzzle brake, Geissele SSA two-stage trigger, RipStock, CMMG M-...