Re: How is this for a vertical string
70 grains imr4831 3.400 (.03) Fed 215 primers Non fire formed Rem brass. I did weight sort the brass and bullets this time; I found 1 bullet that was 3 grains heavier. I loaded some up this morning stepping from 69 - 71.5 in .5 grain increments.
I was reading that excessive vertical stringing can be caused by very light loads and I am on the light side, according to the sierra manual with 72 or 72.5 max. I have not gotten any stringing with any other loads before. None of my loads have had as little horizontal as that target had, so I think I am close to finding a really good combination.
I am very good about not jerking the trigger and doing the same thing over but friday, when I try my next load I will pay very close attention to the stock position on my shoulder. I have a normal pocket that the rifle just wants to fall into but I might be varying how high and low I am putting it. I will post the targets when I get done.