Manufacturer: FN AmericaSeries/Collection: PS90Type: Closed Bolt, Blowback, StandardAction: Semi-AutomaticStock Type: Fixed Bullpup with ThumbholeTrigger Type: SlidingMuzzle Type: Muzzle BrakeCaliber/Gauge: 5.7x28mmTwist Rate: 1:9\"Orientation: RightSafety: AmbidextrousSight: Backup IronBarrel Material: Cold Hammer ForgedReceiver Material: AluminumStock Material: SyntheticBarrel Finish: Chrome LinedReceiver Finish: BlackStock Finish: FDEBarrel Length: 16\"Overall Length: 26.23\"Weight: 6.28 lb