Cartridge comparison
.338 Spectre vs 8.5mm Mars
.338 Spectre and 8.5mm Mars are both in the reference; see the full spec comparison below.
Side by side
| .338 Spectre | 8.5mm Mars | |
|---|---|---|
| Type | Rifle | Pistol |
| Introduced | 2001 | 1899 |
| Bullet diameter | 0.338″ | 0.3311″ |
| Case length | 1.2402″ | 1.0236″ |
| Max pressure | 40,000 psi | 14,500 psi |
| Recoil | 6.5–7.3 ft·lb | 11.4 ft·lb |
| Effective range | 150 yd | 50 yd |
| SAAMI | Not SAAMI standardized | Not SAAMI standardized |
| 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.
