Sig Sauer P320-M17 .177 Caliber Air Pistol - Modeled after the U.S. Army P320-M17, the M17 Air Pistol is the perfect way to get your hands on a P320-M17 to practice with. Full blowback metal slide Drop magazine with cam lever CO2 loading Field strips like the U.S. Army M17 pistol Replica of the U.S. Army M17 Pistol (1) 20 Round .177 caliber rapid pellet magazine included