Rifle · Not SAAMI standardized · Not standardizedObsolete
10.15x61mmR Jarmann
10.15x61mmR Jarmann is a rimmed straight-walled rifle cartridge of Sweden / Norway origin..
- Caliber
- 0.403″ · 10.236 mm
- Introduced
- 1881
- Case
- Rimmed
- Primary use
- Hunting
- Status
- Discontinued
- Obsolete
- Obsolete
- Introduced
- 1881
- Type
- Rifle
- Origin
- Sweden / Norway
- Inventor
- Norwegian-Swedish small-arms commission
- Manufacturer
- Kongsberg Våpenfabrikk
- Standard
- Not SAAMI standardized · Not standardized
- SAAMI
- Not SAAMI standardized
- Obsolete
- Obsolete
- Status
- Discontinued
- Availability
- Rare
- Case capacity
- 86.6 gr H₂O
- Twist (typical)
- 1:16
- Primer
- Small Rifle
- Case type
- Rimmed
- Max pressure
- 34,800 psi, CIP transducer
- Eff. range
- 150 yd
- Max range
- 750 yd
- Recoil
- 8–14 ft·lb
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for 10.15x61mmR Jarmann, 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.
Dimensions · approximate| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 10.24 | 0.403 | |
| Neck ⌀ | 10.92 | 0.430 | |
| Shoulder ⌀ | n/a | ||
| Shoulder angle | n/a | ||
| Base ⌀ | 13.92 | 0.548 | |
| Rim ⌀ | 15.62 | 0.615 | |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.52 | 0.060 | |
| Neck length | n/a | ||
| Case length | 60.96 | 2.400 | |
| Overall length | 77.72 | 3.060 | |
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. 10.15x61mmR Jarmann is highlighted below.
Missing a dimension for 10.15x61mmR Jarmann? 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.
Connected reference
History
The 10.15x61mmR Jarmann is a straight rimmed rifle cartridge originating in Sweden / Norway.
FAQs
- What twist rate does 10.15x61mmR Jarmann use?
- 10.15x61mmR Jarmann typically uses a 1:16 twist rate.
- What bullet diameter is 10.15x61mmR Jarmann?
- 10.15x61mmR Jarmann uses a 0.403″ (10.236 mm) diameter bullet.
- Is 10.15x61mmR Jarmann still in production?
- 10.15x61mmR Jarmann is discontinued; typical availability is rare.
- What is 10.15x61mmR Jarmann used for?
- 10.15x61mmR Jarmann 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 →
