Rimfire · Not SAAMI standardized · Not standardizedObsolete
.32 Rimfire Long
Early American rimfire cartridge firing a 90-grain bullet.
- Caliber
- 0.316″ · 8.026 mm
- Introduced
- 1861
- Case
- Rimfire
- Parent
- .32 Rimfire Short
- Primary use
- Target/Competition
- Status
- Discontinued
- Obsolete
- Obsolete
- Introduced
- 1861
- Type
- Rimfire
- Origin
- United States
- Inventor
- Various / American commercial
- Manufacturer
- Various
- Standard
- Not SAAMI standardized · Not standardized
- SAAMI
- Not SAAMI standardized
- Obsolete
- Obsolete
- Status
- Discontinued
- Availability
- Collector
- Case capacity
- 11 gr H₂O
- Twist (typical)
- 1:18
- Primer
- Rimfire
- Case type
- Rimfire
- Max pressure
- 18,000 CUP, SAAMI crusher
- Eff. range
- 75 yd
- Max range
- 2150 yd
- Recoil
- 0.6–0.86 ft·lb
- Subsonic
- Capable
Ballistics
Published velocity/energy data isn't available for .32 Rimfire Long — an obsolete/collector cartridge. Parent case: .32 Rimfire Short.
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 ⌀ | 8.03 | 0.316 | ~ |
| Neck ⌀ | 8.08 | 0.318 | · |
| Shoulder ⌀ | n/a | ||
| Shoulder angle | n/a | ||
| Base ⌀ | 8.08 | 0.318 | · |
| Rim ⌀ | 9.58 | 0.377 | · |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.48 | 0.058 | |
| Neck length | n/a | ||
| Case length | 20.09 | 0.791 | · |
| Overall length | 32.00 | 1.260 | ~ |
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 Rimfire Long is highlighted below.
Factory loads
Being verified
Advertised FPS, energy, and BC are withheld until loads clear verification.
Lineage
History
Early American metallic rimfire cartridge introduced during the Civil War era for small revolvers and derringers. The longer version of .32 rimfire variants was used in numerous pocket pistols of the 1860s-1870s. Completely superseded by centerfire cartridges by the early 20th century.
FAQs
- What twist rate does .32 Rimfire Long use?
- .32 Rimfire Long typically uses a 1:18 twist rate.
- What bullet diameter is .32 Rimfire Long?
- .32 Rimfire Long uses a 0.316″ (8.026 mm) diameter bullet.
- Is .32 Rimfire Long still in production?
- .32 Rimfire Long is discontinued; typical availability is collector.
- What is .32 Rimfire Long used for?
- .32 Rimfire Long is primarily used for target/competition.
- What is .32 Rimfire Long based on?
- .32 Rimfire Long is derived from the .32 Rimfire Short case.
Sources & provenance
Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 18 live factory loads; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →
