Base screws are 8-40 x 1/4 long.Ring screws are 6-40 x 5/8" long.Base screws use a 9/64 allen wrench.Ring screws use a 7/64" allen wrench.Outside to outside of rings is 3.92".Standard rings are.63" wide and have 2 screws per ring.(4) hole to hole spacing dimensions are.86, 1.27,.86.Height of mounts from top of barrel to centerline of scope tube is medium 1.13".This product is precision machined from a solid block of top-grade billet aluminum, absorbs shock, and withstands temperature extremes better than steel mounts at a fraction of the weight.

Model: Game Reaper
Finish: Black
Material: Aluminum
Ring Height: Medium
Mount Height: 1.13"