

22 WMR chamber does not support the smaller.

22 LR firearm.Īlthough the bullet diameters are the same, the larger.

22 WMR round will not fit into the chamber of a. 22 WMR loadings using a 40-grain (2.6 g) bullet, the combination of more powder and higher sustained pressures gives velocities of 1,875 feet per second (572 m/s) from a rifle and 1,500 feet per second (460 m/s) from a handgun. 22 WMR case is a lengthened version of the older. 22 Long Rifle (LR) both in diameter and length. 22 WMR uses a larger case than the more popular.
