
The original 5mm bottlenecked cartridge held a 38 grain Power-Lokt HP bullet with an advertised muzzle velocity of 2100 fps, though chronos have booked it significantly faster. Remington Models 591 and 592 hit the open market in 1970 with a plan to challenge the success of Winchester’s. The 5mm Remington Rimfire Magnum cartridge was introduced in 1969 by the Remington Arms Company, which chambered two bolt action rifles for its use. I recently had the pleasure of spending a day on the range with a 5mm RFM. Though seldom mentioned and once nearly obsolete, could it be on the verge of a relaunch in the rising rimfire revolution? Yet we musn’t forget one of the top performers in the rimfire class-the 5mm Remington Rimfire Magnum. 22’s-the shorts, longs, WMRs-and the speed of 17’s.

When you hear the word “rimfire,” if all that comes to mind is the. Remington 591M bolt action rifle chambered in 5mm Remington Rimfire Magnum.
