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<blockquote data-quote="Capt RB" data-source="post: 1555195" data-attributes="member: 85987"><p>What's funny is when I shot a 222 and then later a 6ppc We would load and watch the groups it'd get flat then the higher charge would shoot low. It was always the load window when we saw this. This was 1975 1976. No chrono no internet no quick load and very very little information beyond your note book. Today I know that lower shot is the barrel coming out of the node in a downward arc. Whereas the climbing prior to the flat spot is the upward arc of the barrel. I have a pic of a 100yd group over a 2 grain ladder that has 2 shots out of the group by 2ish " It's too slow for what I want but the group is a .2 or slightly better without the 2 outside the group over a 10 shot 2 grain difference ladder. The best part is you can see the group come back into the node over the next 2 grains. But it is still slow with too much pressure for 10 shot strings. It shows that the powder is too fast for the application. The harmonics are clearly identified on target. And that is the key you need to identify. </p><p>There are many ways to get there and how you do it is up to you</p></blockquote><p></p>
[QUOTE="Capt RB, post: 1555195, member: 85987"] What's funny is when I shot a 222 and then later a 6ppc We would load and watch the groups it'd get flat then the higher charge would shoot low. It was always the load window when we saw this. This was 1975 1976. No chrono no internet no quick load and very very little information beyond your note book. Today I know that lower shot is the barrel coming out of the node in a downward arc. Whereas the climbing prior to the flat spot is the upward arc of the barrel. I have a pic of a 100yd group over a 2 grain ladder that has 2 shots out of the group by 2ish " It's too slow for what I want but the group is a .2 or slightly better without the 2 outside the group over a 10 shot 2 grain difference ladder. The best part is you can see the group come back into the node over the next 2 grains. But it is still slow with too much pressure for 10 shot strings. It shows that the powder is too fast for the application. The harmonics are clearly identified on target. And that is the key you need to identify. There are many ways to get there and how you do it is up to you [/QUOTE]
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