Cartridge comparison
.35 Whelen Ackley Improved vs .400/360 Nitro Express
.35 Whelen Ackley Improved and .400/360 Nitro Express are both in the reference; see the full spec comparison below.
Side by side
| .35 Whelen Ackley Improved | .400/360 Nitro Express | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1955 | 1900 |
| Bullet diameter | 0.358″ | 0.358″ |
| Case length | 2.4941″ | 2.75″ |
| Max pressure | 62,000 psi | 31,900 psi |
| Recoil | 31.9–37.6 ft·lb | 30.3–32.8 ft·lb |
| Effective range | 350 yd | 175 yd |
| SAAMI | Not SAAMI standardized | Not SAAMI standardized |
| CIP | Not standardized | Not standardized |
| Obsolete | — | Obsolete |
Highlighted cells hold the clear edge where both sides have a number. Every figure is a range maximum from the reference; typical loads run lower.
Case profiles, to scale
Drawn to the same scale, so the proportions are true. Physical size varies with your screen.
