Sig Sauer P226, Semi-automatic, CO2 Air Pistol, .177 Pellet, 4.4 Barrel, Black Finish, Plastic Grips, 16Rd AIR-226F-177-12G-16-BLK This CO2 powered, next-generation air pistol has been engineered specifically to closely measure up to the most popular SIG original model platforms in weight and handling as well as standards of performance. The P226 Air Pistol puts seriously comparable handling within reach for more frequent inexpensive training, indoors or out.