5.7x28mm (Five-Seven) Ammo

The 5.7x28mm, commonly referred to as Five-Seven ammunition, is designed for shooters looking for a cartridge that combines high velocity, accuracy, and the ability to penetrate body armor. Originating in the late 1980s by FN Herstal, the Five-Seven round has carved a niche in the shooting world, favored by military, law enforcement, and civilian users. Featured here is a selection of premium Five-Seven ammunition from the industry’s top brands, catering to a wide range of applications from tactical engagements to competitive shooting.

Intended Use: The Five-Seven is adept in a variety of settings, from tactical and law enforcement scenarios, where its armor-piercing traits shine, to civilian use in competitive shooting, home defense, and varmint hunting. Its low recoil and precise accuracy make it a versatile choice for diverse shooting needs.

Caliber/Size: Engineered to balance stopping power with manageable recoil, the Five-Seven round offers shooters a compact, high-velocity option that is effective in both rifles and handguns. It supports high-capacity magazines without compromising the firearm’s ergonomics or shooter’s comfort.

Performance Characteristics: The Five-Seven ammunition is celebrated for its flat trajectory and capability to overcome soft body armor, maintaining accuracy over distance with minimal risk of over-penetration. This makes it an exceptional round for precision-based shooting, offering reliability across various tactical and civilian contexts.

Material and Construction: Constructed with the finest materials, Five-Seven rounds come in brass casings coupled with a range of bullet types. From full metal jacket (FMJ) rounds for practice to jacketed hollow point (JHP) and armor-piercing (AP) variants for tactical and self-defense purposes, there’s a type for every scenario.

Brands and Manufacturers: This category showcases ammunition from FN Herstal—the round’s inventor—and other leading manufacturers like Federal and Fiocchi. These brands are at the forefront of delivering 5.7x28mm ammunition that meets the highest standards of quality and innovation.

A Brief History: The 5.7x28mm was developed by FN Herstal in an effort to create a caliber that could exceed the performance of standard handgun and submachine gun rounds, in response to a NATO request. Its effectiveness in both the FN P90 PDW and FN Five-seven pistol among other platforms, endorsed by military and law enforcement worldwide, attests to its success and utility.


  1. What firearms are chambered for the Five-Seven round? Key firearms chambered for the Five-Seven include the FN P90 PDW, FN Five-seven pistol, and an array of aftermarket rifles and pistols, all designed to leverage the round’s unique advantages.
  2. Is the Five-Seven suitable for home defense? Absolutely, the Five-Seven round’s precise accuracy and manageable recoil profile make it an excellent option for home defense, providing effective protection against intruders. We wrote an entire blog post about Five Seven as a Home Defense Caliber.
  3. How does the Five-Seven compare to other calibers like 9mm and .22 WMR? The Five-Seven offers superior velocity and a flatter trajectory compared to the 9mm, alongside enhanced armor-piercing capabilities and range. Against the .22 WMR, it delivers greater energy and penetration, making it a more versatile choice for tactical situations and hunting.

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