Federal Fusion .357 Magnum 158 gr SP – 20 Rounds

Federal Fusion .357 Magnum 158 grain handgun ammunition is configured for hunting and short-barrel handgun performance. The Fusion line uses a molecularly fused core/jacket construction carried over from rifle offerings to promote controlled expansion and weight retention. These cartridges are supplied in 20-round boxes and list a muzzle velocity of 1240 fps.

Key Specifications

• The caliber is .357 Magnum.
• The bullet weight is 158 grains.
• The rounds are packaged as 20 rounds per box.
• The listed muzzle velocity is 1240 fps.
• The listed muzzle energy is 539 ft lbs.
• The product model is identified as Fusion.
• The cartridges use brass cases.
• The listing indicates the rounds are reloadable.
• The packaging quantity is 10 boxes per case.
• The stated application is hunting.

These loads prioritize consistent terminal performance and weight retention for hunting scenarios where short-barrel performance is important. The Fusion construction aims to deliver predictable expansion and retained mass while maintaining manageable shooter experience. For users who value consistent, purpose‑built handgun hunting ammunition, this Federal Fusion offering is designed to deliver reliable ballistic performance from a 20‑round box.