Lindcott Armory Pistol · Obsolete
.455 Webley Automatic
Webley's semi-automatic pistol cartridge for the Webley Self-Loading Pistol adopted by the Royal Flying Corps.
- Introduced
- 1912
- Type
- Pistol
- Origin
- United Kingdom
- Inventor
- Webley & Scott
- Manufacturer
- Webley
- Standard
- Obsolete
- Status
- Discontinued
- Availability
- Collector
- Bullet ⌀
- 0.454″
- Case length
- 0.927″
- Base ⌀
- 0.472″
- Rim ⌀
- 0.5″
- Case capacity
- 22 gr H₂O
- Twist
- 1:20
- Primer
- Boxer Small Pistol
- Case type
- Semi-Rimmed
- Max pressure
- 25,000 psi
- Eff. range
- 50 yd
- Recoil
- 2.5–3.5 ft·lb
- Subsonic
- Capable
Ballistics
- Velocity
- 700–750 fps
- Energy
- 239–280 ft·lb
- Typical MSRP
- $0.85/rd · price history →
- Parent case
- —
Representative trajectory — modeled from a single velocity input, not a measured load.
Factory loads
In production — 5 active loads across 5 brands. Top 15 shown · see all 19 →.
| Brand | Load | Grain | Bullet | FPS | ft·lb | BC | $/rd |
|---|---|---|---|---|---|---|---|
| CBC | Classic | 224 | FMJ | 700 | 244 | — | — |
| Sellier & Bellot | FMJ | 224 | FMJ | 700 | 244 | — | $0.85 |
| Fiocchi | FMJ | 224 | FMJ | 700 | 244 | — | $0.85 |
| HSM | FMJ | 224 | FMJ | 700 | 244 | — | $0.42 |
| PPU | FMJ | 224 | FMJ | 700 | 244 | — | $0.55 |
| Buffalo Arms | Custom SP | 224 | FMJ | 1,050 | 548 | — | — |
| Norma | Africa PH | 224 | FMJ | 1,050 | 548 | — | — |
| Graf | FMJ Standard | 224 | FMJ | 1,050 | 548 | — | — |
| Bertram | Custom | 224 | FMJ | 1,050 | 548 | — | — |
| PPU | SP | 224 | FMJ | 1,050 | 548 | — | $0.40 |
| Kynoch | Soft Nose | 224 | FMJ | 1,050 | 548 | — | — |
| Sellier & Bellot | SP | 224 | FMJ | 1,050 | 548 | — | $0.85 |
| Graf & Sons | Graf Heritage | 224 | FMJ | 720 | 258 | — | — |
| Buffalo Arms | Buffalo Classic | 224 | Lead RN | 720 | 258 | — | — |
| Eley | FMJ Military Service | 224 | FMJ | 700 | 244 | — | — |
Velocities are manufacturer-stated (test-barrel). Discontinued loads dimmed.
Dimensions
Reloading cost
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
Webley developed these semi-automatic pistol cartridges for British military trials during WWI. The .455 Webley Self-Loading Pistol was adopted by the Royal Navy and Royal Flying Corps. The cartridge's semi-rimless design improved feeding reliability in semi-automatic actions compared to the rimmed .455 Webley revolver round.
FAQs
- What twist rate does .455 Webley Automatic use?
- .455 Webley Automatic typically uses a 1:20 twist rate.
- What bullet diameter is .455 Webley Automatic?
- .455 Webley Automatic uses a 0.454″ (11.5316 mm) diameter bullet.
- Is .455 Webley Automatic still in production?
- .455 Webley Automatic is discontinued; typical availability is collector.
- What is .455 Webley Automatic used for?
- .455 Webley Automatic is primarily used for self-defense.
Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 5 live factory loads; the trajectory is modeled (point-mass), not measured. Spotted an error? Report it →