Sturdy scope ring mount for Picatinny/ Weaver Rail (21 mm).
Design in see-through style, provide potential visibility for open sights, meanwhile hollowed-out configuration helps to release heavy duty when clamping your scope.
Built-in tape inside per rings to prevent from marring the scope, also prevent sliding and holding postion accurately.
The ring is for most scopes which are in 1''/ 25.4 mm scope tube. Medium profile, 0.5'' gap from base of mount to bottom of ring. ( Item height: 1.9'')
With 1 rail clamp screw and 2 scope clamp screw per side, ensure mount any 1'' scope firmly, just twist off the nut and mount the base on the 20 mm rail easily.