Cartridge comparison
.22 Spitfire (5.7mm Johnson) vs R2 Lovell
.22 Spitfire (5.7mm Johnson) and R2 Lovell are both in the reference; see the full spec comparison below.
Side by side
| .22 Spitfire (5.7mm Johnson) | R2 Lovell | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1963 | 1937 |
| Bullet diameter | 0.224″ | 0.224″ |
| Case length | 1.29″ | 1.63″ |
| Max pressure | 40,000 psi | 25,000 psi |
| Recoil | 1.3–1.5 ft·lb | 1.6–1.8 ft·lb |
| Effective range | 400 yd | 200 yd |
| SAAMI | Not SAAMI standardized | Wildcat |
| CIP | Not standardized | Not standardized |
| Obsolete | Obsolete | — |
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.
