FNH PS90, 5.7x28mm cal. semi-auto bullpup carbine. Serial #381SNFN042906, mfg. Belgium. Excellent, like new condition. The very cool 5.7x28mm bullpup with 16" barrel, flash-hider and black finish. 50-rd. plastic magazine rides on top of the carbine. Bottom ejection. Can't get sights to register a reticle. Includes factory box with manual and gun lock. Short and quick firing with LOTS of firepower! Nothing else out there like this black Belgium beauty! Gunrunner West item.