The GAMO MP-9 is a real replica from the B&T MP-9 9mm submachine weapon. MP-9 is a light weight,small size, folding stock airgun. The realistic tactical design from B&T, velocity of up to 450 fps, dual technology (pellet and metal BB's) and semiauto mechanism, make this airgun and excellent chioce - MECHANISM -Velocity: 450 feet per second with PBA Platinum -Semi-Automatic Blowback CO2 Pistol with 16 shots - Fires: 16 shots in 2.4 seconds -Power Source: 12gr CO2 -Barrel: Precision Rifled Steel -Accuracy: 0.25 Groups at 10 yards (Center to Center) -Trigger: Double action -Manual safety STOCK Quick Opening , self-locking foldable stock SIGHTS -Rear Sight: Adjustable for Windage -Front Post sight SPECIFICATIONS -Weight: 3 lbs -Length Folded: 12 -Length expanded: 21" -Ammunition: .177 pellet or metal bbs -Caliber: .177 -Trigger Pull Double Action: 9.46 lbs - See more at: http://www.gamousa.com/product.aspx?productID=468#sthash.oLnfNJXA.dpuf