Cartridge comparison
.30-06 Ackley Improved vs .30-06 JDJ
.30-06 Ackley Improved and .30-06 JDJ are both in the reference; see the full spec comparison below.
Side by side
| .30-06 Ackley Improved | .30-06 JDJ | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1960 | 1995 |
| Bullet diameter | 0.3079″ | 0.309″ |
| Case length | 2.4941″ | 2.457″ |
| Max pressure | 62,405 psi | 60,000 psi |
| Recoil | 14–18 ft·lb | 15.3–21.6 ft·lb |
| Effective range | 500 yd | 400 yd |
| SAAMI | Wildcat | Not SAAMI standardized |
| CIP | CIP 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.
