Federal Premium's HST Micro ammunition delivers law enforcement-grade performance in 380 ACP. The 99-grain hollow point expands reliably while maintaining nearly 100% weight retention, meeting FBI testing standards for consistent penetration and terminal performance in compact carry pistols.
Federal Premium's HST ammunition represents the gold standard in personal defense ammunition. Originally developed as the duty load for law enforcement agencies worldwide, HST technology is now available to civilians who demand the same performance and reliability that professionals depend on.
The HST Micro line is specifically engineered for the lightweight, compact pistols favored for concealed carry. Bullet weights and propellants are optimized to ensure reliable cycling and accuracy in subcompact firearms while delivering maximum terminal performance.
Hollow Point Design: The specially designed hollow point cavity resists plugging when passing through common barriers—clothing, drywall, and other obstacles that can compromise expansion in inferior ammunition.
Weight Retention: The jacketed bullet and core hold together through even the toughest materials, providing nearly 100% weight retention. This construction ensures the projectile delivers its energy precisely where it matters.
Consistent Performance: HST ammunition meets the Federal Bureau of Investigation's stringent testing requirements for expansion, penetration, and reliability.
When your personal defense depends on ammunition that performs, Federal Premium HST Micro delivers the reliability and terminal performance you need. This is the same ammunition trusted by law enforcement—now optimized for your concealed carry pistol.