Rifle · Not SAAMI standardized · Not standardizedObsolete
.32 Miller Short
Obscure American single-shot cartridge.
- Caliber
- 0.321″ · 8.153 mm
- Introduced
- 1990
- Case
- Rimmed
- Parent
- .357 Magnum
- Primary use
- target
- Status
- Obsolete
- Obsolete
- Obsolete
- Introduced
- 1990
- Type
- Rifle
- Origin
- United States
- Inventor
- Various
- Manufacturer
- Various
- Standard
- Not SAAMI standardized · Not standardized
- SAAMI
- Not SAAMI standardized
- Obsolete
- Obsolete
- Status
- Obsolete
- Availability
- Antique
- Case capacity
- 23.5 gr H₂O
- Twist (typical)
- 1:16
- Primer
- Large Rifle
- Case type
- Rimmed
- Max pressure
- 18,000 psi, SAAMI transducer
- Eff. range
- 100 yd
- Max range
- 2200 yd
- Recoil
- 0.48–0.7 ft·lb
- Subsonic
- Capable
Ballistics
Published velocity/energy data isn't available for .32 Miller Short — an obsolete/collector cartridge. Parent case: .357 Magnum.
Performance
Dimensionscase measurements · scale drawing · size vs familiar rounds
Case dimensions — the scale drawing at the top of the page is built from these.
Wikipedia · approximate| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 8.15 | 0.321 | ~ |
| Neck ⌀ | 8.59 | 0.338 | |
| Shoulder ⌀ | n/a | ||
| Shoulder angle | n/a | ||
| Base ⌀ | 9.63 | 0.379 | ~ |
| Rim ⌀ | 11.18 | 0.440 | ~ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.52 | 0.060 | ~ |
| Neck length | n/a | ||
| Case length | 31.75 | 1.250 | ~ |
| Overall length | 40.10 | 1.579 | |
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 Miller Short is highlighted below.
Missing a dimension for .32 Miller Short? 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
Trimmed to 1.270 in. and sized to .32
History
A short-lived proprietary cartridge for a specialized single-shot pistol from the 1880s. Designed for gallery use with minimal noise and recoil. One of many experimental pistol cartridges that did not survive as metallic cartridges standardized around common designs.
FAQs
- What twist rate does .32 Miller Short use?
- .32 Miller Short typically uses a 1:16 twist rate.
- What bullet diameter is .32 Miller Short?
- .32 Miller Short uses a 0.321″ (8.153 mm) diameter bullet.
- Is .32 Miller Short still in production?
- .32 Miller Short is obsolete; typical availability is antique.
- What is .32 Miller Short used for?
- .32 Miller Short is primarily used for target.
- What is .32 Miller Short based on?
- .32 Miller Short is derived from the .357 Magnum case.
Sources & provenance
- Manufacturer CPA Rifles — Calibers (.32 Miller Short: made from the .357 Maximum or Magnum case) · parent_cartridge
- Manufacturer Buffalo Arms — 32 Miller Short Brass Cases (formed from .357 Magnum, trim 1.270", die from Dean Miller) · parent_cartridge
- Secondary Cast Boolits — .32 Miller Short case forming (.357 Magnum brass sized to straight taper) · parent_cartridge
Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 2 live factory loads; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →
