Cartridge comparison
.338 Remington Ultra Magnum vs .338 Winchester Magnum
.338 Remington Ultra Magnum and .338 Winchester Magnum are both in the reference; see the full spec comparison below.
.338 Winchester Magnum2,750 fps
Zero
Velocity only, no drag model: this is the shape gravity alone gives the advertised velocity. Drag would steepen it. The tool below solves real loads through their published G1 or G7 model.
Open in Ballistic CompareSide by side
| .338 Remington Ultra Magnum | .338 Winchester Magnum | |
|---|---|---|
| Type | Rifle | Rifle |
| Introduced | 2002 | 1958 |
| Bullet diameter | 0.338″ | 0.338″ |
| Case length | 2.7598″ | 2.5″ |
| Velocity | — | 2,750 fps |
| Energy | — | 3,777–3,778 ft·lb |
| Max pressure | 65,000 psi | 64,000 psi |
| Recoil | 15–22 ft·lb | 20–28 ft·lb |
| Effective range | 600 yd | 500 yd |
Highlighted cells hold the clear edge where both sides have a number. Every figure is a range maximum from the reference; typical loads run lower.
Case profiles, to scale
Drawn to the same scale, so the proportions are true. Physical size varies with your screen.