The fx-9 is engineered to be reliable, affordable and feature familiar controls for any user.In addition to being reliable and affordable, the fx-9 was designed to be completely modular.Outfit it with any freedom ordnance barrel length and customize it with a nearly endless amount of ar-15 accessories.Also, you can create just about any configuration you need for your next mission.Made in the usa, this is freedom to the extreme.Action: Semi-AutoCaliber: 9mm LugerBarrel Length: 4"Capacity: 31+1Safety: AR-15 Configured SelectorGrips: Black PolymerSights: None, Optic ReadyWeight: 4.45 lbsStock Material: SyntheticOal: 18.50"Stock Finish: BlackBarrel Length Range: 4" to 4.99"Weight Range: 4 lbs to 4.99 lbs