Hawks on .22 WMR ammunition selection The .22 WMR TODAY, Guns Magazine, June, 2001 by C. Rodney James Three .22 WMR Loads From Remington, Handguns Magazine, by Phil W. Johnston Reloading Techniques: .22 Win. Magnum Rimfire, Performance Shooter, April 1996 Pistol and rifle cartridges Rimfire cartridges Winchester Magnum rifle cartridges Weapons and ammunition introduced in 1959