Shaw FN PS90 5.7x28mm Threaded Rifle Barrel 10.4in 1-9 Twist Melonite Black. 7x28mm Threaded Rifle Barrel: Manufacturer: Shaw Color: Steel Finish: Matte Caliber: 5.7x28mm Barrel Length: 10.4 in Barrel Profile: Contour Barrel Twist Rate: 1-9 Barrel Material: 4140 Steel Flutes: No Gun Make: FN Herstal Gun Model: FN PS90 Gun Type: Rifle Weight: 0.4 lb Features of Shaw FN PS90 5.7x28mm Threaded Rifle Barrel Drop-In Match Grade Package Contents: Shaw FN PS90 5.7x28mm Threaded Rifle Barrel What firearm models does the manufacturer say Shaw FN PS90 5.7x28mm Threaded Rifle Barrel is compatible with? The manufacturer suggests that Shaw FN PS90 5.7x28mm Threaded Rifle Barrel is compatible with FN PS90Shaw PS90FCCM105728: FN PS90 5.7x28mm Threaded Rifle Barrel 10.4in 1-9 Twist Melonite Black