Lindcott Armory Compare / .500 Jeffery vs .505 Gibbs
Cartridge comparison
.500 Jeffery vs .505 Gibbs
.500 Jeffery is faster (2,500 vs 2,300 fps); .500 Jeffery carries more energy (8,100 vs 6,200 ft·lb); .500 Jeffery recoils less.
.500 Jeffery →Representative trajectory · 100 yd zero0–800 yd Open in Ballistic Compare ↗
.505 Gibbs →Representative trajectory · 100 yd zero0–500 yd Open in Ballistic Compare ↗
| .500 Jeffery | .505 Gibbs | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1920 | 1911 |
| Bullet ⌀ | 0.51″ | 0.505″ |
| Case length | 2.756″ | 2.76″ |
| Velocity | 2,350–2,500 fps | 2,150–2,300 fps |
| Energy | 6,560–8,100 ft·lb | 5,400–6,200 ft·lb |
| Max pressure | 55,000 psi | 39,000 psi |
| Recoil | 75–95 ft·lb | 75–100 ft·lb |
| Eff. range | 150 yd | 200 yd |
FAQs
- Is .500 Jeffery faster than .505 Gibbs?
- .500 Jeffery is faster — up to 2,500 fps versus 2,300 fps.
- Does .500 Jeffery hit harder than .505 Gibbs?
- .500 Jeffery carries more muzzle energy (8,100 vs 6,200 ft·lb).