That's why I still use an older Bushnell boresighter that mounts on the muzzle. With the three adjustable spuds it will work on anything from a .17 to a .458. Old tech but I've never had it do me wrong.
+plus 1 THat is 1 tool in my gun gear that always used
�Can we move this along?" a bored voice stated. "I have places to be and people to shag."