Lindcott Armory Compare / .243 Winchester vs .243 WSSM
Cartridge comparison
.243 Winchester vs .243 WSSM
.243 WSSM is faster (4,060 vs 3,850 fps); .243 WSSM carries more energy (2,033 vs 2,000 ft·lb).
.243 Winchester →Representative trajectory · 100 yd zero0–1000 yd Open in Ballistic Compare ↗
.243 WSSM →Representative trajectory · 100 yd zero0–1000 yd Open in Ballistic Compare ↗
| .243 Winchester | .243 WSSM | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 1955 | 2003 |
| Bullet ⌀ | 0.243″ | 0.243″ |
| Case length | 2.045″ | 1.67″ |
| Velocity | 2,900–3,850 fps | 3,600–4,060 fps |
| Energy | 1,400–2,000 ft·lb | 1,582–2,033 ft·lb |
| Max pressure | 60,000 psi | 65,000 psi |
| Recoil | 8–12 ft·lb | 8–12 ft·lb |
| Eff. range | 500 yd | 300 yd |
FAQs
- Is .243 Winchester faster than .243 WSSM?
- .243 WSSM is faster — up to 4,060 fps versus 3,850 fps.
- Does .243 Winchester hit harder than .243 WSSM?
- .243 WSSM carries more muzzle energy (2,033 vs 2,000 ft·lb).