Cartridge comparison
7.5x54mm French MAS vs 8x57mm J (8x57 I)
7.5x54mm French MAS and 8x57mm J (8x57 I) are both in the reference; see the full spec comparison below.
Side by side
| 7.5x54mm French MAS | 8x57mm J (8x57 I) | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1929 | 1888 |
| Bullet diameter | 0.3087″ | 0.3185″ |
| Case length | 2.126″ | 2.2441″ |
| Max pressure | 55,114 psi | 55,114 psi |
| Recoil | 12–16 ft·lb | 15.5–17.7 ft·lb |
| Effective range | 800 yd | 300 yd |
| SAAMI | Military standard | Not SAAMI standardized |
| CIP | CIP 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.
