.22 Winchester Magnum Rimfire
The .22 WMR ( Winchester Magnum Rimfire ) is a 1959 developed by the company Winchester cartridge ammunition. The company Ruger and Smith & Wesson introduced immediately after its introduction suitable for this revolver out. The .22 WMR is still used as a honeymoon period caliber for hunting small and predators.
The cartridge is more powerful than the .22 LR. The .22 WMR is different from the .22 lr cartridge in core diameter and sleeve length.