Winchester Super-X .357 Magnum 158 grain Jacketed Soft Point (JSP) ammunition is packaged in 50-round boxes and built on brass cases. The JSP bullet offers a balance of controlled expansion and penetration suitable for hunting and defensive applications. Listed performance shows a muzzle velocity of 1235 fps and muzzle energy of 535 ft·lbs. These factory-loaded rounds are indicated as reloadable for users who handload spent brass.
Key Specifications
- The caliber is .357 Magnum.
- The bullet weight is 158 gr.
- The bullet type is Jacketed Soft Point.
- The cartridge uses brass cases.
- There are 50 rounds per box.
- There are 500 rounds per case (10 boxes per case).
- The listed muzzle velocity is 1235 fps.
- The listed muzzle energy is 535 ft lbs.
- The product is marked as reloadable.
- The listed application is Home Defense.
These Winchester Super-X rounds offer a consistent factory option for shooters who need dependable performance from a .357 Magnum load. With jacketed soft point bullets, brass cases, and established ballistics, the ammunition is suitable for field use and general defensive readiness while supporting reloaders who collect spent brass.
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