Revolver · Obsolete
.442 Webley
Stubby British revolver cartridge chambered in the Webley RIC (Royal Irish Constabulary) revolver — a compact service revolver issued to British colonial police forces worldwide..
- Caliber
- 0.436″ · 11.074 mm
- Introduced
- 1868
- Case
- Rimmed
- Primary use
- Self Defense, Military
- Status
- Discontinued
- Introduced
- 1868
- Type
- Revolver
- Origin
- United Kingdom
- Inventor
- Webley
- Manufacturer
- Webley & Scott
- Standard
- Obsolete
- Status
- Discontinued
- Availability
- Collector
- Case capacity
- 18 gr H₂O
- Twist (typical)
- 1:20
- Primer
- Large Pistol
- Case type
- Rimmed
- Max pressure
- 18,000 psi
- Eff. range
- 25 yd
- Max range
- 75 yd
- Recoil
- 2.5–3.5 ft·lb
- Subsonic
- Capable
Introduced by Webley & Scott
Ballistics
Published velocity/energy data isn't available for .442 Webley — 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.
Wikipedia · approximate| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 11.07 | 0.436 | ~ |
| Neck ⌀ | 11.94 | 0.470 | · |
| Shoulder ⌀ | n/a | ||
| Shoulder angle | n/a | ||
| Base ⌀ | 11.99 | 0.472 | · |
| Rim ⌀ | 12.78 | 0.503 | · |
| Belt ⌀ | n/a | ||
| Rim thickness | 0.84 | 0.033 | · |
| Neck length | n/a | ||
| Case length | 17.53 | 0.690 | ~ |
| Overall length | 27.94 | 1.100 | · |
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. .442 Webley is highlighted below.
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.
Firearms chambered in .442 Webley
2 models in the database chamber .442 Webley. Browse all →
Connected reference
History
Developed for the Webley RIC Model revolver in 1868, adopted by the Royal Irish Constabulary and later numerous British colonial police forces. The RIC revolver was compact, reliable, and effective — it was issued across the British Empire from India to Africa. The .442 Webley remained a common colonial police cartridge through WWI. Original examples are common enough to encounter in British and colonial arms collections.
FAQs
- What twist rate does .442 Webley use?
- .442 Webley typically uses a 1:20 twist rate.
- What bullet diameter is .442 Webley?
- .442 Webley uses a 0.436″ (11.074 mm) diameter bullet.
- Is .442 Webley still in production?
- .442 Webley is discontinued; typical availability is collector.
- What is .442 Webley used for?
- .442 Webley is primarily used for self defense, military.
Sources & provenance
Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 8 live factory loads; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →