I've been very happy with N570 for my 300 rums and now the 28 Nosler. I finalized the load on a front rest and heavy rear bag, then threw on the Harris with spikes and sent these down range. I wanted to show the whole session rather than a couple groups to show adjustments, etc.
At 500yds, i shot 3 shots at the top left (marked 1st 3 shots). Turned out to be .3 mil low, but lucked into a 1.48" group. Let it cool for 15 minutes. Brought it up .2mil and those two were 2.94" apart just above. Cooled again for 15 minutes. Brought it up another .2mil and shot two shots at #2 sticker. Let cool one last time for 30 minutes to make sure it was close to cold bore and sent the last 3 shots measuring 1.85". I am happy as a clam with this off a bipod and bag. Point is, give N570 a try if you aren't thrilled with your other loads. Remember the 28 needs cleaned well very often. Ryan Pierce brought this up and it has shown on my targets.
At 500yds, i shot 3 shots at the top left (marked 1st 3 shots). Turned out to be .3 mil low, but lucked into a 1.48" group. Let it cool for 15 minutes. Brought it up .2mil and those two were 2.94" apart just above. Cooled again for 15 minutes. Brought it up another .2mil and shot two shots at #2 sticker. Let cool one last time for 30 minutes to make sure it was close to cold bore and sent the last 3 shots measuring 1.85". I am happy as a clam with this off a bipod and bag. Point is, give N570 a try if you aren't thrilled with your other loads. Remember the 28 needs cleaned well very often. Ryan Pierce brought this up and it has shown on my targets.
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