Rifle · Not SAAMI standardized · Not standardizedObsolete
.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
- Obsolete
- Obsolete
- Introduced
- 1880
- Type
- Rifle
- Origin
- United States
- Inventor
- Stevens Arms / Remington
- Manufacturer
- Remington Arms
- Standard
- Not SAAMI standardized · Not standardized
- SAAMI
- Not SAAMI standardized
- Obsolete
- Obsolete
- Status
- Obsolete
- Availability
- Antique
- Case capacity
- 55 gr H₂O
- Twist (typical)
- 1:16
- Primer
- Large Rifle
- Case type
- Rimmed
- Max pressure
- 18,000 CUP, SAAMI crusher
- Eff. range
- 200 yd
- Max range
- 3700 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
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| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 7.82 | 0.308 | ~ |
| Neck ⌀ | 8.59 | 0.338 | |
| Shoulder ⌀ | 10.71 | 0.422 | |
| Shoulder angle | 15° | — | |
| Base ⌀ | 11.53 | 0.454 | ~ |
| Rim ⌀ | 13.59 | 0.535 | ~ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.60 | 0.063 | ~ |
| Neck length | 8.08 | 0.318 | |
| Case length | 53.98 | 2.125 | ~ |
| Overall length | 82.55 | 3.250 | ~ |
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. .32-40 Remington/Hepburn is highlighted below.
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
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.
Lineage
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 →
