Clarification..........The sight vice is NOT attached to the shooting bench thus it is allowed to recoil for the most part naturally. Where the vice becomes valuable is when you resight to the bull and then dial the cross hairs over to where the 1st round impacted the target. I have tried it many times without such a vice and the results were less than favorable. I would still recommend shooting off the bags and standing (if allowed) to get a picture of what the gun does after the initial sight in with the vice.