Rifle · Not SAAMI standardized · Not standardizedObsolete
7.92x107mm DS
7.92x107mm DS is a rimless bottlenecked rifle cartridge of Poland origin.
- Caliber
- 0.322″ · 8.18 mm
- Introduced
- 1931
- Case
- Rimless
- Parent
- 7.92x57mm Mauser
- Primary use
- Hunting
- Status
- Discontinued
- Obsolete
- Obsolete
- Introduced
- 1931
- Type
- Rifle
- Origin
- Poland
- Inventor
- Lt. Colonel Tadeusz Felsztyn
- Manufacturer
- Lt. Colonel Tadeusz Felsztyn
- Standard
- Not SAAMI standardized · Not standardized
- SAAMI
- Not SAAMI standardized
- Obsolete
- Obsolete
- Status
- Discontinued
- Availability
- Rare
- Case capacity
- 168.5 gr H₂O
- Twist (typical)
- 1:10
- Primer
- Large Rifle Magnum
- Case type
- Rimless
- Max pressure
- 56,000 psi, CIP transducer
- Eff. range
- 400 yd
- Max range
- 2000 yd
- Recoil
- 80.8 ft·lb
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for 7.92x107mm DS, 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
- 7.92x57mm Mauser
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 ⌀ | 8.18 | 0.322 | · |
| Neck ⌀ | 9.23 | 0.363 | · |
| Shoulder ⌀ | 13.15 | 0.518 | · |
| Shoulder angle | 7.8° | — | |
| Base ⌀ | 16.39 | 0.645 | · |
| Rim ⌀ | 16.36 | 0.644 | · |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.78 | 0.070 | |
| Neck length | 8.45 | 0.333 | |
| Case length | 107.00 | 4.213 | · |
| Overall length | 132.00 | 5.197 | · |
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. 7.92x107mm DS is highlighted below.
Missing a dimension for 7.92x107mm DS? 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.
Firearms chambered in 7.92x107mm DS
Lineage
Connected reference
History
Introduced around 1931 by Lt. Colonel Tadeusz Felsztyn, derived from the 7.92x57mm Mauser.
FAQs
- What twist rate does 7.92x107mm DS use?
- 7.92x107mm DS typically uses a 1:10 twist rate.
- What bullet diameter is 7.92x107mm DS?
- 7.92x107mm DS uses a 0.322″ (8.18 mm) diameter bullet.
- Is 7.92x107mm DS still in production?
- 7.92x107mm DS is discontinued; typical availability is rare.
- What is 7.92x107mm DS used for?
- 7.92x107mm DS is primarily used for hunting.
- What is 7.92x107mm DS based on?
- 7.92x107mm DS is derived from the 7.92x57mm Mauser case.
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 →
