It’s true that the .22 WMR doesn’t rival the .38 Special or .357 Mag. in terminal ballistics, but modern ammo has elevated it’s terminal ballistics. Traditional rimfire ammo — even the high velocity ...

Shortly after Sturm, Ruger & Co.’s 1999 introduction of its .22 WMR-chambered Model 10/22 Magnum, Magnum Research, Inc., rolled out its U.S.-made Magnum Lite Rifle (MLR) in the same chambering.

The .22 Magnum Dilemma. ... If you’re just starting out, learning the ins and outs of .22 ammo will make your time at the range or in the field a lot more enjoyable.

My experience has been that rimfire primer failures are much less frequent with .22 Mag. ammunition than .22 LR, especially the bulk box .22 LR practice and plinking loads.