Cartridge comparison
7mm JDJ vs 7x49mm GJW
7mm JDJ and 7x49mm GJW are both in the reference; see the full spec comparison below.
Side by side
| 7mm JDJ | 7x49mm GJW | |
|---|---|---|
| Type | Pistol | Pistol |
| Introduced | 1978 | 1989 |
| Bullet diameter | 0.284″ | 0.2854″ |
| Case length | 1.9″ | 1.9291″ |
| Max pressure | 42,000 psi | 63,817 psi |
| Recoil | 8.5–17.1 ft·lb | 19–24.1 ft·lb |
| Effective range | 200 yd | 50 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.
