Rifle · Not SAAMI standardized · Not standardizedObsolete
13.2x99mm Hotchkiss
13.2x99mm Hotchkiss is a rimless bottlenecked rifle cartridge of France origin.
- Caliber
- 0.5315″ · 13.5 mm
- Introduced
- 1925
- Case
- Rimless
- Primary use
- Hunting
- Status
- Discontinued
- Obsolete
- Obsolete
- Introduced
- 1925
- Type
- Rifle
- Origin
- France
- Inventor
- Hotchkiss et Cie / Société Française des Munitions
- Manufacturer
- Hotchkiss
- Standard
- Not SAAMI standardized · Not standardized
- SAAMI
- Not SAAMI standardized
- Obsolete
- Obsolete
- Status
- Discontinued
- Availability
- Rare
- Case capacity
- 277.7 gr H₂O
- Twist (typical)
- 1:20
- Primer
- Large Rifle Magnum
- Case type
- Rimless
- Max pressure
- 18,000 psi, CIP transducer
- Eff. range
- 300 yd
- Max range
- 1500 yd
- Recoil
- 322.1 ft·lb
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for 13.2x99mm Hotchkiss, so this is the shape gravity alone gives the advertised velocity. Drag would steepen it. The tool below solves real loads through their published G1 or G7 model.
Open in Ballistic Compare- Parent case
- —
Representative trajectory — modeled from a single velocity input (no published BC for this cartridge yet).
Dimensionscase measurements · scale drawing · size vs familiar rounds
Case dimensions — the scale drawing at the top of the page is built from these.
Wikipedia · approximate| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 13.50 | 0.531 | · |
| Neck ⌀ | 14.48 | 0.570 | · |
| Shoulder ⌀ | 18.50 | 0.728 | · |
| Shoulder angle | 15.8° | — | |
| Base ⌀ | 20.20 | 0.795 | · |
| Rim ⌀ | 20.30 | 0.799 | · |
| Belt ⌀ | n/a | ||
| Rim thickness | 2.00 | 0.079 | · |
| Neck length | 13.94 | 0.549 | |
| Case length | 99.20 | 3.906 | · |
| Overall length | 136.60 | 5.378 | · |
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. 13.2x99mm Hotchkiss is highlighted below.
Missing a dimension for 13.2x99mm Hotchkiss? Some case measurements aren't in a published SAAMI/CIP drawing yet. Have a factory or reamer print? Send it → — verified hard-to-find data earns a free Lindcott sticker.
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
Connected reference
History
Introduced around 1925 by Hotchkiss et Cie / Société Française des Munitions.
FAQs
- What twist rate does 13.2x99mm Hotchkiss use?
- 13.2x99mm Hotchkiss typically uses a 1:20 twist rate.
- What bullet diameter is 13.2x99mm Hotchkiss?
- 13.2x99mm Hotchkiss uses a 0.5315″ (13.5 mm) diameter bullet.
- Is 13.2x99mm Hotchkiss still in production?
- 13.2x99mm Hotchkiss is discontinued; typical availability is rare.
- What is 13.2x99mm Hotchkiss used for?
- 13.2x99mm Hotchkiss is primarily used for hunting.
Sources & provenance
Data & sources. Specs compiled from the Lindcott Armory reference; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →
