Chambered in 5.56 NATO the PLR16 is an excellent option for small game hunting hiking turning heads at range day or any situation that requires a rifle caliber in a pistol platform. It accepts standard AR-15 magazines and it's ready for customization to fit your needs. Specifications: Caliber: .223Rem/5.56mm Weight Unloaded: 3.4lbs Magazine Capacity: 10 or more (AR15 compatible) Overall Length: 18.5" Barrel Length: 9.2" Trigger Pull: 6.5lbs