Rifle · Obsolete / Non-standard
7.5x54mm French MAS
French military cartridge that replaced 8mm Lebel.
- Caliber
- 0.3087″ · 7.84 mm
- Introduced
- 1929
- Case
- Rimless
- Parent
- 7.5x57mm MAS mod. 1924
- Primary use
- Military, Hunting
- Status
- Limited
- Introduced
- 1929
- Type
- Rifle
- Origin
- France
- Inventor
- French Ordnance
- Manufacturer
- French State Arsenal
- Standard
- Obsolete / Non-standard
- Status
- Limited
- Availability
- Limited
- Case capacity
- 58 gr H₂O
- Twist (typical)
- 1:10
- Primer
- Large Rifle
- Case type
- Rimless
- Max pressure
- 55,114 psi, CIP transducer
- Eff. range
- 800 yd
- Max range
- 3800 yd
- Recoil
- 12–16 ft·lb
Ballistics
Published velocity/energy data isn't available for 7.5x54mm French MAS. Parent case: 7.5x57mm MAS mod. 1924.
Performance
Dimensionscase measurements · scale drawing · size vs familiar rounds
Case dimensions — the scale drawing at the top of the page is built from these.
CIP TDCC · verified| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 7.84 | 0.309 | ✓ |
| Neck ⌀ | 8.66 | 0.341 | ✓ |
| Shoulder ⌀ | 11.30 | 0.445 | ✓ |
| Shoulder angle | 20° | — | ✓ |
| Base ⌀ | 12.25 | 0.482 | ✓ |
| Rim ⌀ | 12.34 | 0.486 | ✓ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.40 | 0.055 | ✓ |
| Neck length | 7.58 | 0.298 | ≈ |
| Case length | 54.00 | 2.126 | ✓ |
| Overall length | 76.00 | 2.992 | ✓ |
Size vs familiar rounds
Drawn at true 1:1 — every case is accurate relative to the others. Absolute size depends on your screen's pixel density, so measuring one against a real ruler may be off. 7.5x54mm French MAS is highlighted below.
Factory loads
Being verified
Advertised FPS, energy, and BC are withheld until loads clear verification.
Reloading costestimate cost per round vs factory
Estimate your cost per round and how it compares to factory. Inputs are yours — nothing is stored.
Cost estimate only — not load data. Charge weight is your input; follow published manuals for safe charges.
Lineage
History
Developed in 1920s to replace the obsolete 8mm Lebel. After initial problems with the 7.5x57mm version, it was shortened to 7.5x54mm in 1929. Served France through WWII, Indochina, and Algeria. Excellent cartridge that never gained civilian popularity despite good ballistics.
FAQs
- What twist rate does 7.5x54mm French MAS use?
- 7.5x54mm French MAS typically uses a 1:10 twist rate.
- What bullet diameter is 7.5x54mm French MAS?
- 7.5x54mm French MAS uses a 0.3087″ (7.84 mm) diameter bullet.
- Is 7.5x54mm French MAS still in production?
- 7.5x54mm French MAS is limited; typical availability is limited.
- What is 7.5x54mm French MAS used for?
- 7.5x54mm French MAS is primarily used for military, hunting.
- What is 7.5x54mm French MAS based on?
- 7.5x54mm French MAS is derived from the 7.5x57mm MAS mod. 1924 case.
Sources & provenance
Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 6 live factory loads; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →
