CMMG Guard carbine in 9mm with 16.1-inch barrel. Radial delayed blowback at full carbine length. Accepts Glock magazines. Very soft-shooting rifle. Type: Rifle Action: Semi-automatic Caliber: 9mm Luger Capacity: 33 Year introduced: 2018, USA Weight: 62 oz Overall length: 34" Status: Active Intended use: Home Defense/Training