History of Five-seveN USG
"FNH created 5.7mmx28 Special Cartridge Type for its FN P90 to meet NATO requirement in 2000. Subsequently, they produced FN Five-SeveN as a sidearm for same cartridge. USG (United State Government) is its latest version of Five-SeveN. "
Tokyo Marui reproduced the 1:1 replica Airsoft of this amazing weapon with 6mm BB Bullets to complete your FN collection.