JP Enterprises GMR-13 compact 9mm carbine with 13-inch barrel. Glock-pattern magazines. JP match components. Shorter configuration for dynamic competition and home defense. Type: Rifle Action: Semi-Auto Caliber: 9mm Luger Capacity: 33 Year introduced: 2016, USA Weight: 64 oz Overall length: 28.5" Status: Active Intended use: Competition, PCC, Defense