Cartridge comparison
.30 Newton vs .300 Winchester Magnum
.30 Newton and .300 Winchester Magnum are both in the reference; see the full spec comparison below.
Side by side
| .30 Newton | .300 Winchester Magnum | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1913 | 1963 |
| Bullet diameter | 0.308″ | 0.308″ |
| Case length | 2.5201″ | 2.6201″ |
| Max pressure | 22,000 psi | 64,000 psi |
| Recoil | 22.7–23.4 ft·lb | 25–38 ft·lb |
| Effective range | 300 yd | 1200 yd |
| SAAMI | Not SAAMI standardized | SAAMI standardized |
| CIP | Not standardized | CIP 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.
