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Rifles, Reloading, Optics, Equipment
Reloading
Working up load
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<blockquote data-quote="Jinx-)" data-source="post: 505664" data-attributes="member: 19791"><p>Today I was shooting my new load, which I reduced by 1gr to 26gr total. Best group I got is 0.45MOA, so its getting better. Also I had one group 2 shots touching and 3rd had 6" drop, so I switched from 300 to 100 yards, where 3 shots measured 0.45", then I let barrel cool, then fired another group first shot was 2" high from two following which were touching. </p><p></p><p> This could be sign of my barrel developing something unwanted, or neck tension is not the same, the brass I'm using just been annealed and full sized. </p><p></p><p>Maybe I should get new brass, since the one I'm currently using been shot for a year, but it looks perfectly fine, shiny an clean. It usually goes through process of annealing an FL sizing after 3 uses which are neck sized.</p><p></p><p>So the issue now is vertical spread on cold or warm barrel, it was probably 80F and outside temperature 57F.</p><p></p><p>Is there such thing as updraft or downdraft which can effect vertical spread?</p></blockquote><p></p>
[QUOTE="Jinx-), post: 505664, member: 19791"] Today I was shooting my new load, which I reduced by 1gr to 26gr total. Best group I got is 0.45MOA, so its getting better. Also I had one group 2 shots touching and 3rd had 6" drop, so I switched from 300 to 100 yards, where 3 shots measured 0.45", then I let barrel cool, then fired another group first shot was 2" high from two following which were touching. This could be sign of my barrel developing something unwanted, or neck tension is not the same, the brass I'm using just been annealed and full sized. Maybe I should get new brass, since the one I'm currently using been shot for a year, but it looks perfectly fine, shiny an clean. It usually goes through process of annealing an FL sizing after 3 uses which are neck sized. So the issue now is vertical spread on cold or warm barrel, it was probably 80F and outside temperature 57F. Is there such thing as updraft or downdraft which can effect vertical spread? [/QUOTE]
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Reloading
Working up load
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