no matter what method you use is you are doing nothing more than acquiring a datum point for comparison. It would not matter if that datum point is called .012 or .013 or .018 as long as the datum point can be repeated accurately.
Max you ever shot in the 1's with a semi automatic .22 LR off a bipod at 50 yards ? Now for full disclosure is this is the one and only time I had a group that small, it normally shoots in the 2's and 3's
Max you ever shot in the 1's with a semi automatic .22 LR off a bipod at 50 yards ? Now for full disclosure is this is the one and only time I had a group that small, it normally shoots in the 2's and 3's