DEDNUTZ SCOPE

Ruger American (centerfire): Mount fits both left and right hand firearms. Base screws are 6-48 X 1/4? long. Ring screws are 6-40 X 5/8? long. Both screws use a 7/64? Allen wrench. Short action – Outside to outside of rings is 3.97?. Standard rings are .63? wide and have 2 ring screws per ring. 4 Hole to hole spacing dimensions are .86?, 3.01?, .86?. Height of mounts from top of receiver to centerline of scope tube is – low .92?, medium 1.05?, and high 1.17?.