Cartridge comparison
.22 Winchester Rimfire vs .22 WMR
.22 Winchester Rimfire and .22 WMR are both in the reference; see the full spec comparison below.
Side by side
| .22 Winchester Rimfire | .22 WMR | |
|---|---|---|
| Type | Rimfire | Rimfire |
| Introduced | 1890 | 1959 |
| Bullet diameter | 0.2285″ | 0.224″ |
| Case length | 0.965″ | 1.0551″ |
| Max pressure | 24,000 psi | 24,000 psi |
| Recoil | 0.3–0.6 ft·lb | 0.4–0.8 ft·lb |
| Effective range | 100 yd | 125 yd |
Highlighted cells hold the clear edge where both sides have a number. Every figure is a range maximum from the reference; typical loads run lower.
Case profiles, to scale
Drawn to the same scale, so the proportions are true. Physical size varies with your screen.