Lindcott Armory Compare / .577 Tyrannosaur vs .950 JDJ
Cartridge comparison
.577 Tyrannosaur vs .950 JDJ
.577 Tyrannosaur is faster (2,460 vs 2,100 fps); .950 JDJ carries more energy (35,213 vs 10,077 ft·lb); .577 Tyrannosaur recoils less.
.577 Tyrannosaur →Representative trajectory · 100 yd zero0–800 yd Open in Ballistic Compare ↗
.950 JDJ →Representative trajectory · 100 yd zero0–500 yd Open in Ballistic Compare ↗
| .577 Tyrannosaur | .950 JDJ | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1993 | 2005 |
| Bullet ⌀ | 0.585″ | 0.95″ |
| Case length | 3″ | 2.75″ |
| Velocity | 2,460 fps | 2,100 fps |
| Energy | 10,077 ft·lb | 35,213 ft·lb |
| Max pressure | 65,000 psi | 45,000 psi |
| Recoil | 75–100 ft·lb | 120–160 ft·lb |
| Eff. range | 150 yd | 200 yd |
FAQs
- Is .577 Tyrannosaur faster than .950 JDJ?
- .577 Tyrannosaur is faster — up to 2,460 fps versus 2,100 fps.
- Does .577 Tyrannosaur hit harder than .950 JDJ?
- .950 JDJ carries more muzzle energy (35,213 vs 10,077 ft·lb).