CMMG Guard DRB2 .45ACP 16 Inch Threaded Barrel (.578-28 TPI) Salt Bath Nitride Finish RKM11 Handguard Geissele SSA 2-Stage Trigger Magpul CTR Adjustable Stock Glock 21 Magazine Compatible 13 Round

Chambered in .45 ACP and fed by Glock 21 magazines. Radial Delayed Blowback operating system with dual-pinned fully machined bolt catch linkage with last round hold-open. Threaded to accept most common .45ACP suppressors with .578-28 tpi. Sixteen inch medium taper 4140 barrel with salt bath nitride finish and 1:16 inch twist rate; SV muzzle brake. CMMG RKM14 handguard. Lower receiver machined from billet 7075-T6 aluminum; forged 7075-T6 aluminum upper. Geissele SSA 2-stage trigger. Oversized trigger guard and flared magwell. Magpul CTR stock with six-position receiver extension. Magpul MOE pistol grip. Includes 13 round magazine.