The distance between the rings is 4.36′′. Rings are .63′′ wide and have two ring screws per ring. Tactical rings are .80′′ wide and come with four screws per ring. The dimensions of the four holes are .86′′, 3.94′′, and .86′′. The height of the mounts from the top of the receiver to the centerline of the scope tube is .92′′, 1.05′′, and 1.17′′. For more information, visit - https://www.dnzproducts.com/product/game-reaper-savage-2/ or contact us on 919-777-9608.