Rifle · Proprietary · Not SAAMI standardized · Not standardizedObsolete
.38-50 Remington-Hepburn
Remington single-shot Hepburn action cartridge for medium game; part of the extensive Remington-Hepburn family developed for high-quality target and hunting single-shot rifles..
- Caliber
- 0.376″ · 9.55 mm
- Introduced
- 1883
- Case
- Rimmed
- Parent
- .32-40 Remington/Hepburn
- Primary use
- Hunting
- Status
- Discontinued
- Obsolete
- Obsolete
- Introduced
- 1883
- Type
- Rifle
- Origin
- United States
- Inventor
- Remington / Hepburn
- Manufacturer
- Remington Arms
- Standard
- Proprietary · Not SAAMI standardized · Not standardized
- SAAMI
- Not SAAMI standardized
- Obsolete
- Obsolete
- Status
- Discontinued
- Availability
- Rare
- Case capacity
- 55.3 gr H₂O
- Twist (typical)
- 1:15
- Primer
- Berdan Large Rifle
- Case type
- Rimmed
- Max pressure
- 22,000 CUP, SAAMI crusher
- Eff. range
- 200 yd
- Max range
- 3450 yd
- Recoil
- 10.9–17.9 ft·lb
Introduced by Remington Arms
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for .38-50 Remington-Hepburn, 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
- .32-40 Remington/Hepburn
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.
mixed/other · approximate| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 9.55 | 0.376 | ~ |
| Neck ⌀ | 9.96 | 0.392 | ~ |
| Shoulder ⌀ | n/a | ||
| Shoulder angle | n/a | ||
| Base ⌀ | 11.53 | 0.454 | ~ |
| Rim ⌀ | 13.59 | 0.535 | ~ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.60 | 0.063 | ~ |
| Neck length | n/a | ||
| Case length | 56.64 | 2.230 | ~ |
| Overall length | 77.98 | 3.070 | |
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. .38-50 Remington-Hepburn 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
Developed for the Remington-Hepburn No.3 single-shot action, the .38-50 was part of the comprehensive Remington-Hepburn cartridge family designed to offer shooters a range of calibers from .22 to large bore. Used for medium game hunting and target shooting through the 1880s and 1890s.
FAQs
- What twist rate does .38-50 Remington-Hepburn use?
- .38-50 Remington-Hepburn typically uses a 1:15 twist rate.
- What bullet diameter is .38-50 Remington-Hepburn?
- .38-50 Remington-Hepburn uses a 0.376″ (9.55 mm) diameter bullet.
- Is .38-50 Remington-Hepburn still in production?
- .38-50 Remington-Hepburn is discontinued; typical availability is rare.
- What is .38-50 Remington-Hepburn used for?
- .38-50 Remington-Hepburn is primarily used for hunting.
- What is .38-50 Remington-Hepburn based on?
- .38-50 Remington-Hepburn is derived from the .32-40 Remington/Hepburn case.
Sources & provenance
- Reference Cartridges of the World, 8th Edition (1997) — 38-50 Remington-Hepburn Loading Data and Factory Ballistics · velocity_max_fps
- Secondary The Wyoming Schuetzen Union's "Center Shot" (The Nifty 38-50) · velocity_max_fps
Data & sources. Specs compiled from the Lindcott Armory reference; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →
