I recently purchased a Ruger American rifle 30-06 I added vortex percission rings and a vortex dimandback tactical scope. The slope was mounted and bore sighted by professionals... The dealer I purchased from...at the range I started bat 50 yards with a good group of three... Then moved to 100 yards the first round was good the next two moved up and left... I used the scope last year two shots both were high and left. I carried the gun to a gunsmith to fire and check he had the same results. He said he would place another scope on the rifle and recheck. I called the pop for the rifle and scope they said they would work with me. I also called vortex who gave me what I consider a run around...asking about torc specks. I replied the dealer I purchased from and the gunsmith I used were professionals. I guess my thoughts on this was I should have purchased a Nikon to start with. Any thoughts on this?