Description
The .357 Magnum has a well-earned reputation as a powerful defensive round, and Federal Premium's HST load is engineered to live up to that legacy. This ammunition delivers what matters most in a defensive situation: consistent expansion, clean penetration, and the ability to perform through real-world obstacles.
The HST Hollow Point Design
The specially designed hollow point won't clog when passing through clothing, drywall, heavy fabric, or other barriers that can stop lesser ammunition. The bullet's core and jacket hold together mechanically through the shank, maintaining nearly complete weight retention even through the toughest materials. This isn't theoretical performance either. Federal has put these rounds through exhaustive testing against seven different barrier types to prove they meet FBI standards consistently.
Balanced Ballistics for the .357 Magnum
At 154 grains, this load finds the middle ground that makes the .357 Magnum so effective. You get the velocity and energy the caliber is known for without sacrificing the controlled expansion that makes a hollow point worth carrying. Out of a 4-inch barrel, you're looking at 1340 feet per second with 614 foot-pounds of energy. The round expands reliably to deliver the penetration depth law enforcement agencies demand, without the overpenetration risks that come with full-power magnum loads.
Built for Reliability
The nickel-plated brass case resists corrosion and extracts smoothly, something that matters when you're counting on your gun to work. Federal's premium primers get more frequent inspections for dimensional consistency, and the propellants are specifically formulated to burn clean and consistently. These are the kinds of details that separate ammunition you're confident in from ammunition you're just hoping works.
Key Specifications
- Caliber: .357 Magnum
- Bullet Weight: 154 grains
- Bullet Type: Jacketed Hollow Point (HST)
- Muzzle Velocity: 1340 fps
- Muzzle Energy: 614 ft lbs
- Case Material: Nickel-Plated Brass
- Primer: Boxer
- Rounds Per Box: 20
- Reloadable: Yes
- Non-Corrosive: Yes
- Manufacturer: Federal Ammunition
- MPN: P357HST1S
- UPC: 604544684360
What’s Included
- 20 rounds of Federal Premium .357 Magnum 154gr HST JHP ammunition
Frequently Asked Questions
What makes the HST hollow point different from other .357 Magnum defense ammo?
The HST uses a specially designed hollow point that won't plug when passing through barriers like clothing or other materials. Instead of bonding the jacket and core together, Federal uses a mechanical cannelure in the shank to hold them together while allowing for more controlled, consistent expansion. The design has been tested through seven different barrier types and meets FBI penetration standards.
Will this .357 Magnum work in my revolver?
Yes, this ammunition is standard pressure and will work in any .357 Magnum revolver or firearm. The 154-grain weight is mid-range for the caliber, making it a good choice for both full-frame and snub-nose revolvers that can handle standard .357 loads. Always verify your specific firearm is rated for .357 Magnum before using.
Is the nickel-plated brass case better than regular brass?
The nickel-plated case resists corrosion better than standard brass and provides smoother extraction in your firearm. This is especially useful if your ammunition sits in a holster or is stored in humid environments. The case is still fully reloadable, so you can reload these once fired if you handload ammunition.
How does this ammo perform compared to lighter .357 loads?
The 154-grain HST balances the power the .357 is known for with controlled expansion. Lighter loads like 125-grain rounds might expand more dramatically but potentially over-penetrate in some scenarios. This weight provides optimal penetration depth per FBI standards while still delivering reliable expansion. The exact performance difference depends on your specific revolver's barrel length.







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