I am puttering around today,and decided to mount a scope that I have been wanting to try on my 223 Henry Single shot.It is an old Weaver Challenger Variable,and it has a lot more tube in front of the adjustment housing than behind.I have it mounted,but both rings are in front of the adjustment housing.Is this likely to be an issue with vibration,or flex with recoil,or is it alright...I appreciate all opinions...Thanks