Pistol · Obsolete
7.65mm MAS
French military pistol cartridge developed in 1924 for the MAS 1935 semi-automatic pistol.
- Caliber
- 0.3102″ · 7.88 mm
- Introduced
- 1924
- Case
- Rimless
- Primary use
- Self-Defense
- Status
- Discontinued
- Introduced
- 1924
- Type
- Pistol
- Origin
- France
- Inventor
- MAS (Manufacture d'Armes de Saint-Étienne)
- Manufacturer
- French Military / GIAT
- Standard
- Obsolete
- Status
- Discontinued
- Availability
- Collector
- Case capacity
- 10.5 gr H₂O
- Twist (typical)
- 1:10
- Primer
- Boxer Small Pistol
- Case type
- Rimless
- Max pressure
- 23,931 psi
- Eff. range
- 50 yd
- Recoil
- 3–5 ft·lb
- Subsonic
- Capable
Ballistics
Published velocity/energy data isn't available for 7.65mm MAS — an obsolete/collector cartridge.
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 ⌀ | 7.88 | 0.310 | ✓ |
| Neck ⌀ | 8.55 | 0.337 | ✓ |
| Shoulder ⌀ | n/a | ||
| Shoulder angle | n/a | ||
| Base ⌀ | 8.55 | 0.337 | ✓ |
| Rim ⌀ | 8.55 | 0.337 | ✓ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.05 | 0.041 | ✓ |
| Neck length | n/a | ||
| Case length | 19.80 | 0.780 | ✓ |
| Overall length | 30.50 | 1.201 | ✓ |
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. 7.65mm 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.
Firearms chambered in 7.65mm MAS
4 models in the database chamber 7.65mm MAS. Browse all →
Connected reference
History
France adopted this pistol cartridge in 1935 for the MAS 35 semi-automatic pistol, which replaced various older French military handguns. Lower velocity than contemporary military cartridges, the 7.65 MAS remained in French service through the Algerian War before being replaced by 9mm Parabellum.
FAQs
- What twist rate does 7.65mm MAS use?
- 7.65mm MAS typically uses a 1:10 twist rate.
- What bullet diameter is 7.65mm MAS?
- 7.65mm MAS uses a 0.3102″ (7.88 mm) diameter bullet.
- Is 7.65mm MAS still in production?
- 7.65mm MAS is discontinued; typical availability is collector.
- What is 7.65mm MAS used for?
- 7.65mm MAS is primarily used for self-defense.
Sources & provenance
Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 9 live factory loads; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →