FN Five-seveN USG 5.7x28mm Full-Size Pistol – 20+1, Chrome-Lined 4.8" Barrel, Discontinued Grey Controls
The FN Five-seveN USG is a lightweight, high-capacity pistol chambered in 5.7x28 mm. Built in Belgium and discontinued in 2013, this USG variant features the distinctive grey safety and magazine release, a chrome-lined stainless barrel, and a polymer-sheathed slide that keeps reciprocating mass low. With its 20-round flush-fit magazines, fully adjustable sights, and ambidextrous controls, this model offers a unique blend of capacity, accuracy, and collector appeal.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent – Clean, mirror finish, no signs of wear.
Rifling Condition: Excellent Rifling – Sharp lands and grooves.
Specific Condition Notes: The pistol shows minimal signs of use, with only the lightest handling marks visible upon close inspection.
What’s Included
- FN factory hard case (black, embossed logo)
- Three 20-round FN steel-body magazines
- FN Five-seveN owner’s manual
- Factory fired-case envelope
The USG (United States Government) configuration is easily identified by its grey ambidextrous manual safety and reversible magazine release, features that were phased out when FN introduced the later Mk2 series. Collectors value this version both for its limited production window and for its controls that contrast against the matte-black frame.
A chrome-lined, stainless 4.8-inch barrel is rated for the high-pressure 5.7x28 mm cartridge. Paired with a single-action, delayed-blowback system and an internal hammer, the pistol delivers a crisp trigger break and fast cycling. The polymer-sheathed slide reduces reciprocating mass, helping to control muzzle rise during rapid strings.
The glass-fiber-reinforced polymer frame keeps overall weight low while integrating a six-slot MIL-STD-1913 rail for mounting lights or lasers. Front and rear slide serrations offer positive purchase from either direction, and the fully adjustable 3-dot sights allow precise zeroing for varying loads.
This example falls within the documented 3862 serial prefix range of USG production. Its excellent condition, complete factory package, and trio of 20-round magazines make it a compelling choice for shooters seeking capacity as well as collectors looking for a discontinued Five-seveN variant.