Features:The picitinny/Weaver Scope Mount is for Mossberg Model 500 and similar Shotguns.Mount has 13 position slots. Comes with allen wrench and 4 screwsGreat way to mount a scope， sight flashlight， lazer or other accessory to your Mossberg.Specifications:Color: BlackMaterial: AluminumSize: 14cm/5.5" Length (13 Slots)Package Includes:1 x 13 Slots Weaver Scope Mount4 x Screws1 x Allen Wrench