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Rimfire · Proprietary

.30 Short Rimfire

.30 RF Short.30 Rimfire Short.30 Short RF

Short rimfire cartridge used in early American derringers and pocket pistols during the Civil War era; preceded the metallic cartridge revolver era..

Caliber
0.2858″ · 7.26 mm
Introduced
1860
Case
Rimmed
Status
Discontinued
Identity
Introduced
1860
Type
Rimfire
Origin
United States
Inventor
Various / American commercial
Standard
Proprietary
Status
Discontinued
Availability
Rare
Build
Primer
Rimfire
Case type
Rimmed
Pressure & range
Eff. range
25 yd

Ballistics

Published velocity/energy data isn't available for .30 Short Rimfire — an obsolete/collector cartridge.

Dimensionscase measurements · scale drawing · size vs familiar rounds

Case dimensions — the scale drawing at the top of the page is built from these.

SAAMI · approximate
Measuremmin✓
Bullet ⌀7.260.286~
Neck ⌀7.260.286~
Shoulder ⌀n/a
Shoulder anglen/a
Base ⌀7.260.286~
Rim ⌀8.640.340~
Belt ⌀n/a
Rim thickness——
Neck lengthn/a
Case length13.080.515·
Overall length20.880.822·

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. .30 Short Rimfire is highlighted below.

Connected reference

FirearmsFirearms in .30 Short Rimfire↗

History

One of several .30 caliber rimfire cartridges produced during the 1860s transition to metallic cartridge handguns. The .30 Short Rimfire was chambered in small single-shot pocket pistols and derringers. It is distinguished from the .30 Long Rimfire by case length and is now a purely historical cartridge.

FAQs

What bullet diameter is .30 Short Rimfire?
.30 Short Rimfire uses a 0.2858″ (7.26 mm) diameter bullet.
Is .30 Short Rimfire still in production?
.30 Short Rimfire 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 →