Winchester Ammo USA357SJHP USA Defense 357 Sig 125 gr Jacketed Hollow Point (JHP) 50rd Bx

Winchester USA Defense 357 Sig ammunition delivers the proven reliability you expect from Winchester in a compact, high-velocity defensive round. Built around a 125-grain jacketed hollow point (JHP) bullet, this 357 Sig load is purpose-built for personal protection and duty carry—combining stopping power with the flat trajectory and quick handling that make the 357 Sig popular among law enforcement and serious civilians alike. Each box contains 50 rounds, giving you enough to practice fundamentals or stock a reliable defensive option.

The 357 Sig cartridge has earned respect in professional circles for its ballistic performance: the combination of velocity and bullet construction delivers consistent expansion and penetration when it counts. Winchester's manufacturing standards mean you get consistent velocities and reliable ignition round after round, whether you're training at the range or carrying for personal defense. The jacketed hollow point design is engineered to expand reliably across a range of barriers and velocities, a critical consideration for any defensive ammunition.

If you own a 357 Sig pistol and need dependable, proven ammunition—whether you're a competitive shooter, law enforcement professional, or serious concealed carry user—Winchester USA Defense offers the combination of performance and value that has made Winchester a standard in American shooting for generations.

Key Features

• 125-grain jacketed hollow point (JHP) bullet design for controlled expansion
• 357 Sig cartridge: high velocity in a compact package
• 50 rounds per box for range training or duty carry
• Winchester manufacturing consistency and reliability

Specifications

Frequently Asked Questions

What is 357 Sig ammo used for?

The 357 Sig is a popular defensive and duty cartridge known for its high velocity and compact size. It's carried by law enforcement agencies and civilians seeking a powerful 9mm-sized option. The jacketed hollow point construction makes it suitable for personal protection scenarios.

Will this ammunition work in my 357 Sig pistol?

This Winchester USA Defense 357 Sig ammunition is loaded to standard 357 Sig specifications and will function in any firearm chambered in 357 Sig. Always verify your firearm's markings and owner's manual before loading any ammunition.

How much ammunition is in each box?

Each box contains 50 rounds of Winchester USA Defense 357 Sig ammunition.