Cartridge comparison
.400 Whelen vs .450/400 BPE 2 3/8"
.400 Whelen and .450/400 BPE 2 3/8" are both in the reference; see the full spec comparison below.
Side by side
| .400 Whelen | .450/400 BPE 2 3/8" | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1987 | 1880 |
| Bullet diameter | 0.411″ | 0.4067″ |
| Case length | 2.4902″ | 2.3878″ |
| Max pressure | 55,000 psi | 18,000 psi |
| Recoil | 40–55 ft·lb | 20–30 ft·lb |
| Effective range | 300 yd | 150 yd |
| SAAMI | Wildcat | 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.
