Photos by Michael Anschuetz
Kel-Tec’s PMR-30 is a .22 Win. Mag. Rimfire (WMR) pistol that’s been in high demand and low-volume production (due to design improvements) since it was unveiled in 2011. The big takeaways are that the PMR-30 is a semiauto that reliably chambers .22 Magnum and feeds from a 30-round, double-stack magazine. (Take a moment to wrap your mind around that.)
Kel-Tec describes the pistol’s operation as “hybrid blowback.” Hybrid? Think delayed blowback. Admittedly, I had my reservations about the design. For starters, pressure levels in rimfire ammunition vary greatly and that can lead to feeding issues. Additionally, rimmed cartridges make designing an effective double-stack magazine a challenge. But Kel-Tec’s designers eventually proved that — with the right engineering — a double-stack semiautomatic rimfire pistol could be reliable.
The hybrid blowback action combines elements of both locked-breech and blowback designs subject to pressure levels. With higher-pressure loads, the barrel moves slightly rearward with the slide as it would with a traditional locked-breech design. When firing lower-pressure loads, the PMR-30 acts akin to blowback firearms. This versatility means that the PMR-30 will cycle the wide range of .22 WMR ammo available. The system …Read the Rest
Source:: Guns and Ammo