GOTICAL 10/22 Weaver and 3/8" Dovetail Mount Dovetail Predrilled Receiver Rail Mount Adapter (Black) This 10 22 silver scope base mount with screws is lightweight Weaver/dovetail scope mount scope mount is dual purpose base for the 10/22 it can take both Weaver and 3/8" dovetail rings Fits the pre drilled holes on top of your 10/22 rifles receiver and it is easy to install Made from Black anodized aircraft grade aluminum. Accepts all standard 3/8" Dovetail, Weaver / Picatinny 1913 rings GOTICAL 10/22 Weaver and 3/8" Dovetail Mount Dovetail Predrilled Receiver Rail Mount Adapter (Black)This 10 22 silver scope base mount with screws is lightweight Weaver/dovetail scope mount,Fits the pre drilled holes on top of your 10/22 rifles receiver and it is easy to install,Made from Black anodized aircraft grade aluminum. Accepts all standard 3/8" Dovetail, Weaver / Picatinny 1913 rings