I have had this for many years and put the back end on this for a customer who wanted it done this way. The did a trade off and left this as part of it. My question is I am looking at getting it done and selling it. I know little about the 22 versions and need to know if the bolt area cut out should be filled in and or the sight cut out which I am pretty sure stays. Is there anythign else that looks wrong? Any help would be appreciated. Rick B