Hey guys, I have a Panther LR-308 with a Bushnell 4200 elite. I'm using detachable extension top mount weaver rings. I tried to zero at 100 yrds and i was waay left. i maxed it out trying to get it on target, and was still 1/2 a foot out. should I try to switch one of the rings around? or shim it? i don't want to damage the tube.. any one got an idea?? Thanks.




















































