Rifle · Military · Not SAAMI standardized · CIP standardizedObsolete
8x58mmR Danish
Original Danish military cartridge for the Krag-Jørgensen bolt-action rifle; the Krag system was later adapted to .30-40 Krag and Norwegian 6.5x55mm chamberings..
- Caliber
- 0.3185″ · 8.09 mm
- Introduced
- 1889
- Case
- Rimmed
- Parent
- .40-50 Sharps
- Primary use
- Hunting
- Status
- Discontinued
- Obsolete
- Obsolete
- Introduced
- 1889
- Type
- Rifle
- Origin
- Denmark
- Inventor
- Danish military
- Manufacturer
- Denmark state arsenals
- Standard
- Military · Not SAAMI standardized · CIP standardized
- SAAMI
- Not SAAMI standardized
- Obsolete
- Obsolete
- Status
- Discontinued
- Availability
- Rare
- Case capacity
- 67.7 gr H₂O
- Twist (typical)
- 1:9.4
- Primer
- Berdan Large Rifle
- Case type
- Rimmed
- Max pressure
- 31,908 psi, CIP transducer
- Eff. range
- 500 yd
- Max range
- 4900 yd
- Recoil
- 17.7–22.2 ft·lb
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for 8x58mmR Danish, 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
- .40-50 Sharps
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.
CIP TDCC · approximate| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 8.09 | 0.319 | ✓ |
| Neck ⌀ | 8.78 | 0.346 | ~ |
| Shoulder ⌀ | 11.93 | 0.470 | ✓ |
| Shoulder angle | 23.5° | — | ✓ |
| Base ⌀ | 12.82 | 0.505 | ✓ |
| Rim ⌀ | 14.70 | 0.579 | ✓ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.10 | 0.043 | ~ |
| Neck length | 13.00 | 0.512 | ≈ |
| Case length | 58.50 | 2.303 | ✓ |
| Overall length | 78.00 | 3.071 | ✓ |
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. 8x58mmR Danish is highlighted below.
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 8x58mmR Danish
Lineage
Connected reference
History
Adopted in 1889 for the Danish Krag-Jørgensen, this was the first smokeless powder military cartridge adopted by Denmark. The American .30-40 Krag and Norwegian 6.5x55mm are better known today, but the original Danish 8mm loading is the founding cartridge of the Krag system.
FAQs
- What twist rate does 8x58mmR Danish use?
- 8x58mmR Danish typically uses a 1:9.4 twist rate.
- What bullet diameter is 8x58mmR Danish?
- 8x58mmR Danish uses a 0.3185″ (8.09 mm) diameter bullet.
- Is 8x58mmR Danish still in production?
- 8x58mmR Danish is discontinued; typical availability is rare.
- What is 8x58mmR Danish used for?
- 8x58mmR Danish is primarily used for hunting.
- What is 8x58mmR Danish based on?
- 8x58mmR Danish is derived from the .40-50 Sharps case.
Sources & provenance
- Reference Gun Digest Books (Krause) — Cartridges of the World · bullet ⌀, year, grain weights
- Secondary Henning Ammunition LLC — 8x58R Danish Krag 175gr Hornady SP · velocity, grain weights archived
- Secondary Wikipedia — 8x58mmR Danish Krag · bullet ⌀, year archived
Data & sources. Specs compiled from the Lindcott Armory reference; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →
