CMMG GUARD DRB2
9mm Para. or .45 ACP cal., radial delayed blowback operating system, 16 in. medium taper barrel, SV muzzle brake, 13 (.45 ACP) or 33 (9mm Para.) shot mag., Geissele SSA two-stage trigger, Magpul CTR buttstock, Magpul MOE pistol grip, black...