Cartridge
.32 Winchester Self-Loading
- Caliber
- 0.321″ · 8.15 mm
- Introduced
- 1906
- Case
- Semi-Rimmed
- Status
- Obsolete
- Introduced
- 1906
- Status
- Obsolete
- Case type
- Semi-Rimmed
- Eff. range
- 125 yd
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for .32 Winchester Self-Loading, so this is the shape gravity alone gives the advertised velocity. Drag would steepen it. The tool below solves real loads through their published G1 or G7 model.
Open in Ballistic Compare- Parent case
- —
Representative trajectory — modeled from a single velocity input (no published BC for this cartridge yet).
Dimensionscase measurements · scale drawing · size vs familiar rounds
Case dimensions — the scale drawing at the top of the page is built from these.
mixed/other · approximate| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 8.15 | 0.321 | ✓ |
| Neck ⌀ | — | — | |
| Shoulder ⌀ | n/a | ||
| Shoulder angle | n/a | ||
| Base ⌀ | — | — | |
| Rim ⌀ | — | — | |
| Belt ⌀ | n/a | ||
| Rim thickness | — | — | |
| Neck length | n/a | ||
| Case length | 32.51 | 1.280 | ~ |
| Overall length | — | — | |
Missing a dimension for .32 Winchester Self-Loading? 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.
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
Connected reference
FAQs
- What bullet diameter is .32 Winchester Self-Loading?
- .32 Winchester Self-Loading uses a 0.321″ (8.15 mm) diameter bullet.
- Is .32 Winchester Self-Loading still in production?
- .32 Winchester Self-Loading is obsolete.
Sources & provenance
- Reference Gun Digest / Krause (F+W Media) — Cartridges of the World — .32 Winchester Self-Loading · velocity, bullet ⌀, grain weights
- Secondary GunMart (gunmart.net) — Case Histories: .32 Winchester SL · year, bullet ⌀, velocity, grain weights archived
Data & sources. Specs compiled from the Lindcott Armory reference; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →