Lindcott Armory Compare / .308 Winchester vs .309 JDJ
Cartridge comparison
.308 Winchester vs .309 JDJ
.308 Winchester is faster (2,850 vs 2,200 fps); .308 Winchester carries more energy (2,700 vs 1,934 ft·lb).
.308 Winchester →Representative trajectory · 100 yd zero0–800 yd Open in Ballistic Compare ↗
.309 JDJ →Representative trajectory · 100 yd zero0–500 yd Open in Ballistic Compare ↗
| .308 Winchester | .309 JDJ | |
|---|---|---|
| Type | Rifle | Pistol |
| Introduced | 1952 | 1979 |
| Bullet ⌀ | 0.308″ | 0.308″ |
| Case length | 2.015″ | 2.225″ |
| Velocity | 2,600–2,850 fps | 1,800–2,200 fps |
| Energy | 2,400–2,700 ft·lb | 1,081–1,934 ft·lb |
| Max pressure | 62,000 psi | 42,000 psi |
| Recoil | 15–20 ft·lb | — |
| Eff. range | 800 yd | 150 yd |
FAQs
- Is .308 Winchester faster than .309 JDJ?
- .308 Winchester is faster — up to 2,850 fps versus 2,200 fps.
- Does .308 Winchester hit harder than .309 JDJ?
- .308 Winchester carries more muzzle energy (2,700 vs 1,934 ft·lb).