Quote Originally Posted by birdkiller View Post
Just stick your muzzle against a target, circle around the muzzle device, turn on your laser, mark its location on the target, and you’ve got a pretty good reference point of what your offset is.
That is what I do on a target. Then I go to the range, shoot at 25 yards and zero laser for the same offset. Then do the same at 50 yards. I do not see the benefit in doing a coverging zero.