Golden Finger Tactical Quick Release Scope Ring Mount 25.4mm/30mm Cantilever for 20mm Picatinny Rails (Black)

Aluminum construction and fits 25.4mm/30mm diameter scope install on 20MM picatinny rails.;Size: approx. 135 x 45 x 62mm (lxwxh), ring inner diameter (without insert): 30mm, ring inner diameter (with insert): 25mm and rail size: 20mm;Front ring top and both side feature picatinny for mounting laser flashlight and compact red dot and so on accessories.;Black in color and weight is 248g and length between two rings: 45mm;Shipped promptly and packaged well to protect the product.