Rifle · Not SAAMI standardized · Not standardizedObsolete
.246 Purdey
.246 Purdey is a rimmed bottlenecked rifle cartridge of United Kingdom origin.
- Caliber
- 0.253″ · 6.426 mm
- Introduced
- 1921
- Case
- Rimmed
- Primary use
- Hunting
- Status
- Discontinued
- Obsolete
- Obsolete
- Introduced
- 1921
- Type
- Rifle
- Origin
- United Kingdom
- Inventor
- James Purdey & Sons
- Manufacturer
- James Purdey & Sons
- Standard
- Not SAAMI standardized · Not standardized
- SAAMI
- Not SAAMI standardized
- Obsolete
- Obsolete
- Status
- Discontinued
- Availability
- Rare
- Case capacity
- 48.7 gr H₂O
- Twist (typical)
- 1:8
- Primer
- Large Rifle
- Case type
- Rimmed
- Max pressure
- 31,900 psi, CIP transducer
- Eff. range
- 400 yd
- Max range
- 2000 yd
- Recoil
- 7.5 ft·lb
Introduced by James Purdey & Sons
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for .246 Purdey, 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.
Wikipedia · approximate| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 6.43 | 0.253 | · |
| Neck ⌀ | 7.19 | 0.283 | · |
| Shoulder ⌀ | 10.19 | 0.401 | · |
| Shoulder angle | 15.5° | — | |
| Base ⌀ | 12.04 | 0.474 | · |
| Rim ⌀ | 13.82 | 0.544 | · |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.59 | 0.063 | |
| Neck length | 6.64 | 0.261 | |
| Case length | 56.90 | 2.240 | · |
| Overall length | 74.42 | 2.930 | · |
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. .246 Purdey is highlighted below.
Missing a dimension for .246 Purdey? 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.
Connected reference
History
Introduced around 1921 by James Purdey & Sons.
FAQs
- What twist rate does .246 Purdey use?
- .246 Purdey typically uses a 1:8 twist rate.
- What bullet diameter is .246 Purdey?
- .246 Purdey uses a 0.253″ (6.426 mm) diameter bullet.
- Is .246 Purdey still in production?
- .246 Purdey is discontinued; typical availability is rare.
- What is .246 Purdey used for?
- .246 Purdey is primarily used for hunting.
Sources & provenance
Data & sources. Specs compiled from the Lindcott Armory reference; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →