Cartridge comparison
.333 OKH vs 8.5x63mm
.333 OKH and 8.5x63mm are both in the reference; see the full spec comparison below.
Side by side
| .333 OKH | 8.5x63mm | |
|---|---|---|
| Type | Wildcat | Rifle |
| Introduced | 1945 | 1985 |
| Bullet diameter | 0.3331″ | 0.3382″ |
| Case length | 2.4402″ | 2.4803″ |
| Max pressure | 31,900 psi | 62,366 psi |
| Recoil | 43.1–56.4 ft·lb | 22.1 ft·lb |
| Effective range | 250 yd | 250 yd |
| SAAMI | Not SAAMI standardized | Not SAAMI standardized |
| 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.
