The Just Right Carbines JRC in .45 ACP accepts Glock 21-pattern magazines. The largest caliber in the JRC lineup. Shares the lightweight aluminum receiver and modular design of the rest of the JRC family. Provides .45 ACP carbine performance at a budget-friendly price point. Type: Rifle Action: Semi-Automatic Caliber: 45 ACP Capacity: 13 Year introduced: 2010, USA Weight: 64 oz Overall length: 32.5" Status: Active Intended use: Home Defense, Range, Plinking