BESTSUN Dovetail Weaver Picatinny Rails Adapter Extend 11mm to 20mm Tactical Scope Mount

Features: Fits dovetail 11mm rail. Dovetail rail extension. Can be used to convert 11mm to 20mm. Specification: Top Rail Full Length:100mm Dove rail length:75mm Weight:65g Gross Weight:90g Height:13mm Top Picatinny rail width: 20mm Bottom dovetail rail width: 11mm Material: aluminum alloy Color: Black Package Included: 1 x Dovetail Rail 11mm to 20mm Adapter (DO NOT included Allen Key,Long screw,Stop pin screw )