Cartridge comparison
.38 Extra Long vs 9x39mm Russian
.38 Extra Long and 9x39mm Russian are both in the reference; see the full spec comparison below.
Side by side
| .38 Extra Long | 9x39mm Russian | |
|---|---|---|
| Type | Revolver | Rifle |
| Introduced | 1870 | 1987 |
| Bullet diameter | 0.374″ | 0.365″ |
| Case length | 1.4799″ | 1.5236″ |
| Max pressure | 18,000 psi | 51,488 psi |
| Recoil | 2.5–4 ft·lb | 5–5.9 ft·lb |
| Effective range | 50 yd | 400 yd |
| SAAMI | Not SAAMI standardized | Military standard |
| CIP | Not standardized | CIP 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.