Description
Ruger 10/22: 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. Outside to outside of rings is 4.29?. Standard rings are .63? wide and have 2 ring screws per ring. 4 Hole to hole spacing dimensions are .86?, 2.57?, .50?. Height of mounts from top of receiver to centerline of scope tube is – low .94?, medium 1.06?, and high 1.19?.