Rifle · CIP
.375 Hölderlin
.375 Hölderlin is a rimless bottlenecked rifle cartridge of Germany origin.
- Caliber
- 0.376″ · 9.55 mm
- Introduced
- 2007
- Case
- Rimless
- Parent
- 8x68mm S
- Primary use
- Hunting
- Status
- Active
- Introduced
- 2007
- Type
- Rifle
- Origin
- Germany
- Inventor
- Hölderlin
- Manufacturer
- Hölderlin
- Standard
- CIP
- Status
- Active
- Availability
- Limited
- Case capacity
- 92.2 gr H₂O
- Twist (typical)
- 1:12.0
- Primer
- Large Rifle Magnum
- Case type
- Rimless
- Max pressure
- 55,114 psi, CIP transducer
- Eff. range
- 300 yd
- Max range
- 1500 yd
- Recoil
- 41–48.1 ft·lb
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for .375 Hölderlin, 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
- 8x68mm S
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 · verified| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 9.55 | 0.376 | ✓ |
| Neck ⌀ | 10.40 | 0.409 | ✓ |
| Shoulder ⌀ | 12.15 | 0.478 | ✓ |
| Shoulder angle | 14.6° | — | ≈ |
| Base ⌀ | 13.30 | 0.524 | ✓ |
| Rim ⌀ | 13.00 | 0.512 | ✓ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.40 | 0.055 | ✓ |
| Neck length | 10.93 | 0.430 | ≈ |
| Case length | 67.50 | 2.657 | ✓ |
| Overall length | 87.00 | 3.425 | ✓ |
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. .375 Hölderlin 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.
Lineage
Connected reference
History
Introduced around 2007 by Hölderlin.
FAQs
- What twist rate does .375 Hölderlin use?
- .375 Hölderlin typically uses a 1:12.0 twist rate.
- What bullet diameter is .375 Hölderlin?
- .375 Hölderlin uses a 0.376″ (9.55 mm) diameter bullet.
- Is .375 Hölderlin still in production?
- .375 Hölderlin is active; typical availability is limited.
- What is .375 Hölderlin used for?
- .375 Hölderlin is primarily used for hunting.
- What is .375 Hölderlin based on?
- .375 Hölderlin is derived from the 8x68mm S 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 →
