Quick Look at the FN 5.7 USG

The FN 5.7 USG was developed by FN Herstal in the early 2000s following the introduction of the unique 5.7x28mm cartridge. Designed for law enforcement and military roles, it delivers high-velocity performance in a lightweight, low-recoil platform. Collectors and enthusiasts value it for its rarity and FN's heritage in military firearms.

Why It's a Top Choice

• Chambered in 5.7x28mm for flat trajectory and low recoil
• 20-round magazine offers high capacity in a slim profile
• Ambidextrous controls for cross-dominant shooters
• Polymer frame keeps weight extremely low
• Reliable and proven design from FN Herstal

Key Variants

FN Five-seveN MRD

Modernized version with optics-ready slide for red dot compatibility and enhanced ergonomics.

FN Five-seveN FDE

Adds a flat dark earth finish for tactical users and fans of two-tone aesthetics.

FN Five-seveN USG

Original U.S. Government model with unique trigger guard and early production styling.

Competitor Comparison Table

Best Use Cases

• Personal defense with armor-penetration potential
• Duty pistol in specialized law enforcement units
• Competition shooting with low muzzle rise
• Target training with reduced recoil
• Collector interest in rare FN Herstal models

FAQs

Can I carry the FN 5.7 USG concealed?

Yes, but its full-size frame may be less comfortable to conceal than compact options.

What is special about the 5.7x28mm cartridge?

It offers high velocity, flat trajectory, and low recoil, originally designed to defeat body armor.

How does the FN 5.7 USG compare to the Ruger 57?

The FN has a longer service legacy, while the Ruger offers similar features at a lower cost.