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Long Range Hunting & Shooting
Quickest way to find an accurate load
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<blockquote data-quote="lightshooter" data-source="post: 1643268" data-attributes="member: 96114"><p>In the past I would do an OCW test at 100 yds and shoot round robin targets (a target for each load), but for my most recent barrel I did a ladder test at 300 yards shooting at the same target (a big white sheet of freezer paper with an orange dot). I marked the tips of the bullets with colored sharpie that transfers to the target so I could keep track of the load. I also place a go pro camera down by the target. On the 1st round of 5 shots start with the lowest charge working up to the hottest load, (look for pressure signs). The next round of 5 start with the hottest load to the lowest. When you've shot them all focus on POI. Look for consecutive charge weights that have near the same POI. Shooting over a chronograph will give you your es and sd. I got to the same results in less rounds. Once I found a node then I did the same test for seating depth. I should of stated in the beginning I did research what powders/primers were working for other people with bullet I chose, and I started either 10% or halfway between min and max load and loaded in .5 increments until I was 1 grain over max (not recommending this, at your own risk). I did a quick search on you tube and this explains this method. </p><p>[MEDIA=youtube]c5SmiMSF20A[/MEDIA]</p></blockquote><p></p>
[QUOTE="lightshooter, post: 1643268, member: 96114"] In the past I would do an OCW test at 100 yds and shoot round robin targets (a target for each load), but for my most recent barrel I did a ladder test at 300 yards shooting at the same target (a big white sheet of freezer paper with an orange dot). I marked the tips of the bullets with colored sharpie that transfers to the target so I could keep track of the load. I also place a go pro camera down by the target. On the 1st round of 5 shots start with the lowest charge working up to the hottest load, (look for pressure signs). The next round of 5 start with the hottest load to the lowest. When you’ve shot them all focus on POI. Look for consecutive charge weights that have near the same POI. Shooting over a chronograph will give you your es and sd. I got to the same results in less rounds. Once I found a node then I did the same test for seating depth. I should of stated in the beginning I did research what powders/primers were working for other people with bullet I chose, and I started either 10% or halfway between min and max load and loaded in .5 increments until I was 1 grain over max (not recommending this, at your own risk). I did a quick search on you tube and this explains this method. [MEDIA=youtube]c5SmiMSF20A[/MEDIA] [/QUOTE]
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Quickest way to find an accurate load
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