Scope Mount Rings for 30mm Picatinny/Weaver Rail Medium & Low Profile Scope Rings
Fits all 21mm picatinny rails.
The ring is for most scopes which are in 1''/ 25.4mm scope tube.
Built-in tape inside per ring to prevent from marring the scope, also prevent sliding and holding postion accurately.
With 1 rail clamp screw and 2 scope clamp screws per side, ensure mount any 1'' scope firmly, just twist off the nut and mount the base on the 21mm rail easily.
