Lindcott Armory Rifle · CIP standardized
.425 Westley Richards
Westley Richards' powerful rimless cartridge for large and dangerous African game.
- Introduced
- 1904
- Type
- Rifle
- Origin
- United Kingdom
- Inventor
- Westley Richards
- Manufacturer
- Westley Richards
- Standard
- CIP standardized
- Status
- Limited
- Availability
- Limited
- Bullet ⌀
- 0.435″
- Case capacity
- 100 gr H₂O
- Twist
- 1:14
- Primer
- Boxer Large Rifle
- Case type
- Rimless
- Max pressure
- 47,000 psi
- Eff. range
- 150 yd
- Recoil
- 40–55 ft·lb
Ballistics
- Velocity
- 2,350–2,400 fps
- Energy
- 5,033–5,248 ft·lb
- By real loads
- 2,100–2,350 fps · 20 loads
- Typical MSRP
- $1.60/rd · price history →
- Parent case
- —
Representative trajectory — modeled from a single velocity input, not a measured load. Real published loads span the "by real loads" range above.
Factory loads
In production — 20 active loads across 14 brands. Top 15 shown · see all 20 →.
| Brand | Load | Grain | Bullet | FPS | ft·lb | BC | $/rd |
|---|---|---|---|---|---|---|---|
| Bertram | SP | 410 | SP | 2,350 | 5,027 | — | $4.50 |
| Woodleigh | Weldcore | 410 | PP SP | 2,350 | 5,027 | — | — |
| Woodleigh | Weldcore | 410 | Weldcore SP | 2,350 | 5,027 | — | — |
| Bertram | Custom | 410 | Soft Point | 2,350 | 5,027 | — | $4.50 |
| Norma | FMJ Solid | 410 | FMJ | 2,350 | 5,027 | — | $0.85 |
| PPU | SP | 410 | SP | 2,350 | 5,027 | — | $0.60 |
| Norma | Africa PH | 410 | Soft Point | 2,350 | 5,027 | — | $1.60 |
| PPU | SP | 410 | Soft Point | 2,350 | 5,027 | — | $0.60 |
| Graf | Standard | 410 | Soft Point | 2,350 | 5,027 | — | $0.75 |
| Kynoch | Soft Nose | 410 | SP | 2,350 | 5,027 | — | $8.00 |
| Hornady | DGX Bonded | 410 | DGX | 2,350 | 5,027 | — | $0.85 |
| RWS | Classic | 410 | Soft Point | 2,350 | 5,027 | — | $1.60 |
| Kynoch | Soft Nose | 410 | Soft Nose | 2,350 | 5,027 | — | $8.00 |
| Federal | Trophy Bonded | 410 | Trophy Bear Claw | 2,350 | 5,027 | — | $0.85 |
| Sellier & Bellot | SP | 410 | Soft Point | 2,350 | 5,027 | — | $0.85 |
Velocities are manufacturer-stated (test-barrel). Discontinued loads dimmed.
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.
Firearms chambered in .425 Westley Richards
1 model in the database chamber .425 Westley Richards. Browse all →
Connected reference
History
Westley Richards developed this rimless cartridge in 1904 for African hunting. Fires 410-grain bullets at 2,350–2,400 fps with a flat trajectory; designed as a multi-purpose dangerous game round. Remains in production by a few specialists for collectors and professional hunters using older double rifles.
FAQs
- What twist rate does .425 Westley Richards use?
- .425 Westley Richards typically uses a 1:14 twist rate.
- What bullet diameter is .425 Westley Richards?
- .425 Westley Richards uses a 0.435″ (11.05 mm) diameter bullet.
- Is .425 Westley Richards still in production?
- .425 Westley Richards is limited; typical availability is limited.
- What is .425 Westley Richards used for?
- .425 Westley Richards is primarily used for hunting.
Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 20 live factory loads; the trajectory is modeled (point-mass), not measured. Spotted an error? Report it →