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. Oal 29.50"- 32" Hand Right Twist 1:10" Action semi-auto Sights Optic Ready Weight 5.50 lbs Caliber 9mm Luger Capacity 33+1 Weight Range 5 lbs to 5.99 lbs Barrel Length 16.25" Receiver Material Aluminum Stock Description Collapsible Metal Finish Group Blued/Black Stock Finish Group Black Barrel Length Range 16" to 16.99"