• Quickly convert 9-11mm dovetails into 20mm Weaver/Picatinny rails. • Allows Weaver/Picatinny mounts to be fitted to guns equipped only with 9-11mm dovetails. • Low-profile design • Matte Black colour • Spring loaded: allows repeatable/consistent alignment • Removable stop-pins to prevent “scope creep”. • Easily removed to allow use of dovetails again.