Product Overview: 5.7x28mm FN Ammunition

The 5.7x28mm FN cartridge is a high-performance, small-caliber ammunition developed by FN Herstal, a renowned Belgian firearms manufacturer. Designed in the late 1980s, this cartridge has become a favorite for military, law enforcement, and civilian use due to its unique combination of high velocity, low recoil, and superior accuracy. The 5.7x28mm FN round is particularly noted for its ability to penetrate body armor while maintaining controlled expansion, making it an ideal choice for a variety of tactical applications.


  • Caliber: 5.7x28mm
  • Bullet Weight: Typically ranges from 27 grains to 40 grains
  • Muzzle Velocity: Approximately 2,350 to 2,800 feet per second (fps)
  • Muzzle Energy: Approximately 320 to 480 foot-pounds (ft-lbs)
  • Case Type: Rimless, bottlenecked
  • Primer Type: Boxer, non-corrosive
  • Ballistic Coefficient: Varies by bullet type (generally between 0.140 and 0.160)
  • Effective Range: Up to 200 meters
  • Compatibility: FN Five-seveN pistol, FN P90 submachine gun, FN PS90 carbine, and other firearms chambered in 5.7x28mm
  • Armor Penetration: Capable of defeating certain types of body armor

  • 5.7x28mm FN ammunition
  • FN Herstal 5.7x28mm
  • high-velocity small-caliber ammo
  • armor-piercing rounds
  • tactical ammunition
  • FN Five-seveN compatible ammo
  • FN P90 ammunition
  • low recoil high accuracy cartridge
  • 5.7x28mm ballistic performance
  • 5.7x28mm FN specs

Additional Information

The 5.7x28mm FN cartridge was originally designed to replace the 9x19mm Parabellum used by NATO forces. Its unique design allows for high capacity in compact firearms, contributing to the popularity of FN’s Five-seveN pistol and P90 submachine gun. This ammunition is also appreciated for its flat trajectory and low recoil, enhancing accuracy and ease of control during rapid firing. Whether for personal defense, law enforcement, or military applications, the 5.7x28mm FN stands out as a versatile and powerful option in the modern ammunition market.

The 5.7x28mm FN ammunition is a testament to FN Herstal’s innovation in firearms technology. With its superior ballistic performance, low recoil, and ability to penetrate body armor, it remains a top choice for those requiring reliable and effective ammunition for a range of tactical situations. For enthusiasts and professionals alike, the 5.7x28mm FN offers unmatched performance and versatility.

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