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Lindcott Armory

Rifle · Obsolete / Non-standard

.32-40 Remington/Hepburn

Also known as 32-40 Hepburn · .32-40 Remington Hepburn

Remington Hepburn single-shot target rifle cartridge.

Caliber
0.308″ · 7.823 mm
Introduced
1880
Case
Rimmed
Primary use
target
Status
Obsolete

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VelocityBeing verified
EnergyBeing verified
Typical grains165 gr
Identity
Introduced
1880
Type
Rifle
Origin
United States
Inventor
Stevens Arms / Remington
Manufacturer
Remington Arms
Standard
Obsolete / Non-standard
Status
Obsolete
Availability
Antique
Build
Case capacity
38 gr H₂O
Twist (typical)
1:16
Primer
Large Rifle
Case type
Rimmed
Pressure & range
Max pressure
18,000 psi
Eff. range
200 yd
Recoil
5–8 ft·lb
Subsonic
Capable

Introduced by Remington Arms

Ballistics

Published velocity/energy data isn't available for .32-40 Remington/Hepburn — an obsolete/collector cartridge.

Performance

Best for Withheld until verified
Best for Withheld until verified
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 ⌀ 7.820.308 ~
Neck ⌀ ——
Shoulder ⌀ ——
Shoulder angle ——
Base ⌀ 11.530.454 ~
Rim ⌀ 13.590.535 ~
Belt ⌀ n/a
Rim thickness 1.600.063 ~
Neck length ——
Case length 53.982.125 ~
Overall length 82.553.250 ~

Missing a dimension for .32-40 Remington/Hepburn? Some case measurements aren't in a published SAAMI/CIP drawing yet. Have a factory or reamer print? Send it → — verified hard-to-find data earns a free Lindcott sticker.

Factory loads

Verification

Being verified

Advertised FPS, energy, and BC are withheld until loads clear verification.

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

Loads20 factory loads for .32-40 Remington/HepburnFirearmsFirearms in .32-40 Remington/Hepburn

History

A target shooting cartridge developed for Remington and Hepburn single-shot rifles in the 1880s. Used in long-range black powder target competition. The rimmed case design with an everlasting-style thick wall allowed many reloadings. A respected target cartridge before smokeless powder changed everything.

FAQs

What twist rate does .32-40 Remington/Hepburn use?
.32-40 Remington/Hepburn typically uses a 1:16 twist rate.
What bullet diameter is .32-40 Remington/Hepburn?
.32-40 Remington/Hepburn uses a 0.308″ (7.823 mm) diameter bullet.
Is .32-40 Remington/Hepburn still in production?
.32-40 Remington/Hepburn is obsolete; typical availability is antique.
What is .32-40 Remington/Hepburn used for?
.32-40 Remington/Hepburn is primarily used for target.

Sources & provenance

Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 4 live factory loads; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →