The aero survival rifle is engineered to breakdown efficiently without the use of tools.It is machined from aircraft aluminum, has collapsible stock, and a sliding safety with an integrated child trigger lock.Metal Finish: Black Hardcoat AnodizedAction: Semi-AutoCaliber: 9mm LugerBarrel Length: 16.25"Capacity: 33+1Oal: 29.50"-32"Weight: 5.50 lbsStock Description: CollapsibleReceiver Material: AluminumSights: None, Optic ReadyTwist: 1:10"Barrel Length Range: 16" to 16.99"Weight Range: 5 lbs to 5.99 lbsHand: RightStock Finish Group: BlackMetal Finish Group: Blued/Black