Lindcott Armory Compare / .338 RCM vs .338 Winchester Magnum
Cartridge comparison
.338 RCM vs .338 Winchester Magnum
.338 Winchester Magnum is faster (2,900 vs 2,850 fps); .338 RCM carries more energy (4,510 vs 4,000 ft·lb); .338 RCM recoils less.
.338 RCM →Representative trajectory · 100 yd zero0–800 yd Open in Ballistic Compare ↗
.338 Winchester Magnum →Representative trajectory · 100 yd zero0–800 yd Open in Ballistic Compare ↗
| .338 RCM | .338 Winchester Magnum | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 2008 | 1958 |
| Bullet ⌀ | 0.338″ | 0.338″ |
| Case length | 2.1″ | 2.5″ |
| Velocity | 2,600–2,850 fps | 2,400–2,900 fps |
| Energy | 3,004–4,510 ft·lb | 2,560–4,000 ft·lb |
| Max pressure | 65,000 psi | 64,000 psi |
| Recoil | 15–22 ft·lb | 20–28 ft·lb |
| Eff. range | 350 yd | 600 yd |
FAQs
- Is .338 RCM faster than .338 Winchester Magnum?
- .338 Winchester Magnum is faster — up to 2,900 fps versus 2,850 fps.
- Does .338 RCM hit harder than .338 Winchester Magnum?
- .338 RCM carries more muzzle energy (4,510 vs 4,000 ft·lb).