Chambered in 5.7x28mm, the FN Five-seveN USG utilizes a polymer frame and slide cover to create an incredibly light and easily maintained autoloading pistol. Single-action operation combined with an internal hammer and highly textured grip enhance handling characteristics. The low recoil impulse of the 5.7x28mm cartridge is only 60% of typical 9mm loadings for rapid and accurate follow-up shots. The Five-seveN USG features a traditional style trigger guard, reversible magazine release, magazine disconnect and adjustable sights. Fixed 3-dot combat sights, either with or without self-luminous tritium elements are also available as an option. Built for extended service under the most demanding conditions, the Five-seveN's hammer-forged barrel has a hard chrome bore finish with a projected 20,000 round life. The Five-seveN USG comes standard with three 10- or 20-round magazines, a locking polymer hard case and a cleaning kit.