Arms 17S Type QD Red Dot Sight Mount
Full Metal Construction
Suitable For Diameter 30mm Scope
30mm Diameter fit most scope and tactical flashlight
Come With 25mm adaptor for 25mm diameter Scope
Quick Detachable Design, mount onto any 20mm standard rail
Able to adjust the height from 22mm To 50mm(Base On Bottom Of Circumference To Rail)
Install on all 20mm Weaver Rail, Scope Rail & RIS/RAS Rails