Features:
100% Brand New and High Quality.
Fits dovetail 11mm rail.
Dovetail rail extension.
Can be used to conver 11mm to 21mm.
Sometime can be see through.
Add the height of scope
Great tool for hunting etc

Specifications:
Material: aluminum alloy
Color: Black
Length:100mm
Riser:14.5mm
Top Picatinny rail width: 21mm
Bottom dovetail rail width:11mm

Package Includes:
1 x Dovetail Rail Extension 11mm to 21mm Weaver Adapter
1 x Allen Wrench