SKU: 54001. Width (Dovetail) / Firearm Manufacturer: Picatinny, Weaver. MOUNTS TO: PICATINNY WEAVER. Follow Optics Warehouse! Fits both Weaver and Picatinny rails. MODEL: 30mm M. This block is CNC machined to the tightest tolerances to ensure a smooth and precise mating surface between the riflescope body tube & base.
eBay