Lindcott Armory Rifle · Obsolete
.400/350 Nitro Express
Westley Richards' rimless nitro-express cartridge for large and dangerous game.
- Introduced
- 1899
- Type
- Rifle
- Origin
- United Kingdom
- Inventor
- Various British
- Manufacturer
- Kynoch / various
- Standard
- Obsolete
- Status
- Obsolete
- Availability
- Antique
- Bullet ⌀
- 0.358″
- Case length
- 2.75″
- Overall length
- 3.685″
- Base ⌀
- 0.47″
- Rim ⌀
- 0.52″
- Case capacity
- 75 gr H₂O
- Twist
- 1:14
- Primer
- Boxer Large Rifle
- Case type
- Rimless
- Max pressure
- 47,000 psi
- Eff. range
- 400 yd
- Recoil
- 12–18 ft·lb
Ballistics
- Velocity
- 1,900–2,000 fps
- Energy
- 1,248–1,383 ft·lb
- By real loads
- 2,000–2,150 fps · 17 loads
- Typical MSRP
- $1.80/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 — 17 active loads across 12 brands. Top 15 shown · see all 20 →.
| Brand | Load | Grain | Bullet | FPS | ft·lb | BC | $/rd |
|---|---|---|---|---|---|---|---|
| Hornady | DGS FMJ Solid | 310 | FMJ Solid | 2,150 | 3,181 | — | $0.85 |
| A-Square | Dead Tough SP | 320 | Dead Tough SP | 2,150 | 3,284 | — | — |
| Northfork | FMJ Bonded Solid | 320 | FMJ Solid | 2,150 | 3,284 | — | — |
| Kynoch | Big Game / Nitro Express | 310 | Metal Covered Soft Nose | 2,150 | 3,181 | — | $8.00 |
| RWS | Classic | 310 | Soft Point | 2,100 | 3,035 | — | $1.60 |
| Norma | Africa PH | 310 | Soft Point | 2,100 | 3,035 | — | $1.60 |
| Graf | Standard | 310 | Soft Point | 2,100 | 3,035 | — | $0.75 |
| Bertram | Custom | 310 | Soft Point | 2,100 | 3,035 | — | $4.50 |
| Kynoch | Soft Nose | 310 | Soft Nose | 2,100 | 3,035 | — | $8.00 |
| Sellier & Bellot | SP | 310 | Soft Point | 2,100 | 3,035 | — | $0.85 |
| PPU | SP | 310 | Soft Point | 2,100 | 3,035 | — | $0.60 |
| Buffalo Arms | Custom SP | 310 | Soft Point | 2,050 | 2,892 | — | $2.80 |
| Norma | African PH | 310 | SP | 2,000 | 2,753 | — | $4.00 |
| Woodleigh | Heavy Grade | 310 | FMJ-BT | 2,000 | 2,753 | — | — |
| RWS | Safari | 310 | SP | 2,000 | 2,753 | — | $1.80 |
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
Developed by W.J. Jeffery & Co. around 1905 for African dangerous game. The .400/350 Nitro Express fires a 350-grain bullet at ~1,900 fps, designed for use in double rifles. Popular in the early smokeless powder era for light dangerous game and antelope at moderate ranges.
FAQs
- What twist rate does .400/350 Nitro Express use?
- .400/350 Nitro Express typically uses a 1:14 twist rate.
- What bullet diameter is .400/350 Nitro Express?
- .400/350 Nitro Express uses a 0.358″ (9.09 mm) diameter bullet.
- Is .400/350 Nitro Express still in production?
- .400/350 Nitro Express is obsolete; typical availability is antique.
- What is .400/350 Nitro Express used for?
- .400/350 Nitro Express is primarily used for hunting.
Data & sources. Specs compiled from the Lindcott Armory reference; availability counted from 17 live factory loads; the trajectory is modeled (point-mass), not measured. Spotted an error? Report it →