Description
Federal's HST line represents next-generation duty ammunition that crossed over from law enforcement to civilians who demand the same level of performance. The 180-grain loading in .40 S&W hits the performance sweet spot, giving you manageable recoil from standard-frame pistols paired with the terminal performance you need.
HST Bullet Design and Expansion
The hollow point won't plug when it passes through heavy clothing, glass, or sheet metal. Instead, the bullet expands into a distinctive six-petaled pattern that creates a wider wound cavity while the jacket and core stay mechanically locked together. Pre-skived petals ensure the lead core peels back consistently, and the design forces the inner lead petals to shield the outer copper petals during expansion. This mechanically locked construction delivers nearly 100 percent weight retention, meaning the bullet stays together instead of fragmenting or shedding material.
Terminal Performance and Barrier Testing
This load meets and exceeds FBI ammunition testing protocols. The 180-grain HST launches at 1010 fps with 408 foot-pounds of energy from a 4-inch test barrel, offering a balanced power level for full-size and compact .40 S&W pistols. Testing shows consistent performance around 12 inches of penetration in bare gelatin, with expansion to roughly three-quarters of an inch. When fired through multiple barriers like heavy clothing, wallboard, and auto glass, the bullet maintains expansion rather than plugging or over-penetrating. That combination of controlled penetration and reliable expansion keeps rounds from traveling through walls or innocent bystanders.
Ammunition Construction
Nickel-plated brass cases deliver better corrosion resistance than standard brass, which matters when your carry ammo sits in a magazine for months. The plating also improves feeding in pistols with tighter tolerances and reloads more smoothly if you reload. Boxer primers ensure reliable ignition, and the entire round is non-corrosive for safe use in any .40 S&W pistol. The 20-round box format gives you a convenient carry or training load without bulky packaging.
Key Specifications
- Caliber: .40 S&W
- Bullet Weight: 180 Grains
- Bullet Type: Jacketed Hollow Point (HST)
- Muzzle Velocity: 1010 fps (test barrel 4 inches)
- Muzzle Energy: 408 ft-lbs
- Case Material: Nickel-Plated Brass
- Primer Type: Boxer
- Rounds per Box: 20
- Manufacturer: Federal Ammunition
- Manufacturer Part Number: P40HST1S
- UPC: 029465063931
- Usage: Personal Defense, Concealed Carry
What’s Included
- 20 rounds of Federal Premium HST .40 S&W 180-grain JHP ammunition in one box
Frequently Asked Questions
How does Federal HST perform through barriers?
The HST hollow point is specifically designed not to plug when passing through common barriers like heavy clothing, denim, sheet metal, glass, and wallboard. The bullet expands reliably even after striking these obstacles, maintaining terminal performance rather than becoming compromised. This is why Federal spent years testing the design against FBI protocols.
Will this round over-penetrate in defensive situations?
The 180-grain HST penetrates to approximately 12 inches in bare gelatin and slightly deeper when fired through barriers and clothing. This depth falls within the FBI's ideal penetration window for handgun defense ammunition, providing enough penetration to reach vital areas while reducing the risk of passing through the target and striking unintended objects or people.
Is nickel-plated brass really better for carry ammo?
Yes, nickel plating resists corrosion better than standard brass when exposed to moisture and body chemistry from sweat over extended carry periods. The plating also produces smoother feeding in pistols with tighter chamber tolerances, and if you reload, nickel cases last longer and resize more easily than plain brass cases.
Can civilians legally carry Federal HST ammunition?
The HST line is available commercially for civilian purchase and use. While some boxes may say law enforcement or duty use, there are no federal restrictions on civilian ownership of such ammunition. This ammunition is designed for lawful self-defense and carries the same performance standards that make it trusted by police departments nationwide.




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