Leupold RM Ruger M77 1-in High Matte

Leupold RM Ruger M77 1-in High MatteUse as a high-quality alternative to ringmounts sold by firearms manufacturers and as a no-tap mounting method for most .22 rimfire rifles with an 11mm, 13mm, or 3/8" dovetail rail. Superior integrity and tighter tolerances because we machine them from solid stock.Ring Diameter (in): 1.14Height (in): 1.00Ring Diameter (mm):25.40