The Kel-Tech PMR-30 comes equipped with a unique hybrid blow-back system that takes a .22 magnum (.22WMR), 30 round magazine, this 13.6 ounce, full size pistol is one heavy duty performer. Its innovative operation system also allows for the use of a wide variety of ammunition. With its light, crisp trigger pull and fiber optic sights, the PMR-30(TM) is ideal for target shooting and hunting small game.