To begin with what's an air rifle. An air rifle or airsoft gun, is largely a gun which shoots pellets or BBs pneumatically, making use of compressed air, or every other mechanically compressed gas, rather then working with any combustible gas to fire the shot. Most air rifles use a little amount of compressed fuel to propel the BB's at really higher speeds, firing various pictures in a row, very similar to how a paintball player would make use of a machine gun, or simulate recreation-model…