The Kel-Tec PMR-36 22 Winchester Magnum Rimfire 30 round magazine is a factory replacement double stack mag for the PMR-30 Kel-Tec Pistol. This quality magazine is machined to the same specifications and standards as you get in the original. All 30 rounds fit in the grip of the PMR-30 pistol. The Kel-Tec PMR-36 30 round magazine is finished in durable blued steel.