WAS TRYING TO ZERO A NEW BUILD LR-308..COULD NOT GET ANYWHERE KEPT SHOOTING HIGH AND TO LEFT..WELL AFTER 20 TO 30 ROUNDS I STEPPED BACK AND NOTICED THE SCOPE HAD MOVED??..AND MOVED WITH EVERY SHOT...LAPPING THE RINGS TRUES THEM UP SO WHEN TORQUED EQUAL PRESSURE AND SCOPE IS ALIGNED.. AFTER IT TOOK 3 SHOTS TO GET ON TARGET..AWESOME NOW JUST NEED TO GET 30 MM ONE...
You can mount & sight in your scopes much better that the clerk @ the sporting goods place with this "Professional" tool kit. If you want it done right then do it yourself. You can do it.