SIG Sauer’s new M17 chambered in .177 pellet are CO2-powered, next-generation air pistols have been engineered specifically to closely measure up to the most popular SIG original handgun model platforms – in weight and handling, as well as standards of performance. Modeled after its award-winning 9mm counterpart, the P365 Air Pistol is the perfect way to practice. Features Full blowback metal slide CO2 loading 12 round magazine Green high visibility 3-dot fixed sights Ambidextrous Manual safety Similar weight and feel of the P365 9mm firearm Specifications Gas: 12g CO2 Standard Cannisters Caliber: 4.5mm / .177 Caliber BB Velocity: Up to 295 fps Accessory Rail: SIG Rail Sights: Fixed Magazines: 12-Round BB Overall Length: 5.75\