Rifle · Proprietary

.38-50 Remington-Hepburn

.38-50 Hepburn.38-50 Remington

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
0.379″ · 9.627 mm
Introduced
1876
Case
Rimmed
Status
Discontinued
Velocity—–1,320 fps
Identity
Introduced
1876
Type
Rifle
Origin
United States
Inventor
Remington / Hepburn
Standard
Proprietary
Status
Discontinued
Availability
Rare
Build
Primer
Berdan Large Rifle
Case type
Rimmed
Pressure & range
Max pressure
22,000 psi
Eff. range
200 yd

Ballistics

Representative trajectory · 25 yd zero0–200 yd
25 yd · zero0″−35″35″ drop @ 200 yd0100200Open 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.

mixed/other · approximate
Measuremmin
Bullet ⌀9.630.379~
Neck ⌀9.600.378~
Shoulder ⌀n/a
Shoulder anglen/a
Base ⌀11.530.454~
Rim ⌀13.640.537~
Belt ⌀n/a
Rim thickness1.600.063~
Neck lengthn/a
Case length56.462.223~
Overall length

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.

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 bullet diameter is .38-50 Remington-Hepburn?
.38-50 Remington-Hepburn uses a 0.379″ (9.627 mm) diameter bullet.
Is .38-50 Remington-Hepburn still in production?
.38-50 Remington-Hepburn is discontinued; typical availability is rare.

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 →