DNZ Hunt Masters 2-Piece Scope Mount - Marlin Xl7 XS7 Winchester 70 Long Short and WSM Action (Will Not Fit SSA Or WSSM) Note: Hole spacing dimensions on front and back mount is .86". Both mounts are not the same part. Back mount is taller than front mount because receiver is lower on back end. Standard rings are .63" wide and Tactical rings are .80" wide. Standard rings have 2 screws per ring and Tactical rings have 4 screws per ring. Height of mounts from top of receiver to centerline of scope tube is " low .92" medium 1.05" and High 1.17" Specifications: - Type: Scope Mount - Pieces: 2-Piece - Fits: Marlin XL7 XS7 Winchester 70, Fits Long action WSM and Short Action (Will Not Fit SSA Or WSSM) - Base screws: 6-48 X 1/4" long (Uses 7/64 Allen wrench, not included) - Ring screws: 6-40 X 5/8" long (Uses 7/64 Allen wrench, not included) - Includes: 2 Screws