Rugged, High-Strength Steel; Securely Holds Heavy Tactical Scopes
Six cap screws and double clamp bolts with 1⁄2" nuts, solidly lock scope, rings and base into one unit. Prevents large objective 30mm scopes from slipping under recoil on .50 BMG rifles. Povides clearance for 56mm objective scopes. Square cross bolts provide secure, ring-to-base contact with excellent return to zero. Wire EDM cut from bar stock and stress relieved. Fits Picatinny rails only.
Big Book Catalog, Issue:68, Page:276