Remington 7400,7600,7615,750: Mount fits both left and right hand firearms. 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 and ring screws use a 7/64″ Allen wrench. Outside to outside of rings is 3.92″. Standard rings are .63″ wide and have 2 ring screws per ring. 4 Hole to hole spacing dimensions are .60″, 2.05″, .86″. Height of mounts from top of receiver to centerline of scope tube is – low .94″, medium 1.06″, and high 1.19″.
