A rifle or pistol that shoot pellets, lead or alloy, at
high velocities using compressed
air. There are multiple types of pellet rifles such as break-barrel, which uses a spring, PCP, which uses compressed
air, and CO2, which uses a compressed CO2 cartridge. Pellet guns, or pellet rifles, are used mainly for plinking or small game hunting, and the two main calibers are .177 and .
22. In some states, pellet rifles are not allowed.