Quote Originally Posted by CWPINST View Post
Read my sticky on rifle zero 101. Make sure the scope is in square with the receiver and don’t stick anything in the muzzle.
This.

Also, I took a class from some former and current Army sniper dudes - they showed a method where they actually DID level the gun then used a level on the scope. BUT... they removed the elevation cap and used the actual "stud" of the elevation adjustment.