The Winchester Short Magnum 7mm Supreme 160 Grain Centerfire Rifle Ammunition is a commercial cartridge based on the 404 jeffery cartridge case, shortening to 2.100 inches and necking down to .28 caliber and sharpening the shoulder angle to 35 degrees the new 7mm WSM cartridge offers plenty of case capacity for tailored handloads.
The 7mm WSM cartridge achieves its useful purpose as an excellent cartridge for larger, mule deer, sheep, black bear and elk, 28 caliber is a time proven caliber for elk, deer size game animals. Delayed, controlled expansion. Deep penetration through thick, tough skin, heavy muscle tissue and bone, high retained weight.
- Grain: 160
- Bullet Type: Boat Tail
- FPS: 3050
- Rounds: 20