Warne Maxima Steel Rings 1in Ruger M77 & Hawkeye Grooved Receiver PA High - Matte. A stainless steel recoil lug is unique to the industry and has proven reliable under the fiercest recoil plus unmatched repeatability when reattached. Warne 1in PA Ruger 77 High Riflescope Mounting Rings Options 2R7G: Warne 1in Permanently Attached Ruger 77 High Scope Rings Gloss 2R7M: Warne 1 Inch PA Ruger 77 High Matte Rings Specifications for Warne 1inch Permanently Attached Ruger 77 High Rifle Scope Rings: Manufacturer: Warne Finish: Matte Ring Height: High Tube Diameter: 1 in Ring Quantity: Pair Ring Type: Permanent Size: High Color: Black Package Contents: Warne Riflescope Mounts Rings Bases Warne 1in Permanently Attached Ruger 77 Scope Rings High Warne 2R7M: Maxima Steel Rings 1in Ruger M77 & Hawkeye Grooved Receiver PA High - Matte 2R7M