The Crosman 2240 is a CO2-powered single-shot air pistol in 22 caliber with a bolt-action loading mechanism. Uses a single 12-gram CO2 cartridge. 7.5-inch steel rifled barrel. A popular platform for aftermarket modification — upgrades to PCP, longer barrels, and stock kits are widely available. Type: Pistol Action: Spring Piston Caliber: 22 Cal Capacity: 1 Year introduced: 1999, USA Weight: 28 oz Overall length: 11.1" Status: Active Intended use: target, backyard, plinking