Cartridge comparison
.30-06 Ackley Improved vs .300 Winchester Magnum
.30-06 Ackley Improved and .300 Winchester Magnum are both in the reference; see the full spec comparison below.
Side by side
| .30-06 Ackley Improved | .300 Winchester Magnum | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1960 | 1963 |
| Bullet diameter | 0.3079″ | 0.308″ |
| Case length | 2.4941″ | 2.6201″ |
| Max pressure | 62,405 psi | 64,000 psi |
| Recoil | 14–18 ft·lb | 25–38 ft·lb |
| Effective range | 500 yd | 1200 yd |
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.