Lindcott Armory Compare / 6.5 JDJ vs 7-30 Waters
Cartridge comparison
6.5 JDJ vs 7-30 Waters
7-30 Waters is faster (3,000 vs 2,100 fps); 7-30 Waters carries more energy (2,398 vs 1,371 ft·lb).
6.5 JDJ →Representative trajectory · 100 yd zero0–500 yd Open in Ballistic Compare ↗
7-30 Waters →Representative trajectory · 100 yd zero0–800 yd Open in Ballistic Compare ↗
| 6.5 JDJ | 7-30 Waters | |
|---|---|---|
| Type | Pistol | Rifle |
| Introduced | 1978 | 1984 |
| Bullet ⌀ | 0.264″ | 0.284″ |
| Case length | 1.91″ | 2.04″ |
| Velocity | 1,750–2,100 fps | 2,700–3,000 fps |
| Energy | 680–1,371 ft·lb | 1,943–2,398 ft·lb |
| Max pressure | 45,000 psi | 45,000 psi |
| Recoil | — | 12–16 ft·lb |
| Eff. range | 100 yd | 300 yd |
FAQs
- Is 6.5 JDJ faster than 7-30 Waters?
- 7-30 Waters is faster — up to 3,000 fps versus 2,100 fps.
- Does 6.5 JDJ hit harder than 7-30 Waters?
- 7-30 Waters carries more muzzle energy (2,398 vs 1,371 ft·lb).