Each model of the ap5 includes standard: a rugged plastic carry case, two (2) 30-round magazines, a factory cleaning kit, factory picatinny style optics mount, factory sling, and a gun lock.All ap5 firearms are chambered in 9x19 mm and have a cold hammer forged barrel with a 1:9.8 twist.The ap5 and ap5-p barrel each have a 3-lug quick attachment and 1/2x28 threaded end for suppressor mounting options.Action: Semi-AutoCaliber: 9mm LugerBarrel Length: 8.90"Capacity: 30+1Grips: Black PolymerSights: Fixed Front, Drum RearWeight: 5.50 lbsOal: 17.90"Barrel Length Range: 8" to 8.99"Weight Range: 5 lbs to 5.99 lbs