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Rifles, Reloading, Optics, Equipment
Reloading
My 10 rd load development
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<blockquote data-quote="Mikecr" data-source="post: 1460771" data-attributes="member: 1521"><p>You can test for best seating, which will open & close grouping more than anything else, with only the slightest affect to MV, and this will take way more than 10 shots. You can't look at a chronograph and see this.</p><p>The brass has to be fire formed to stable capacity and consistent chamber fit before any meaningful powder load development can begin. This takes as many shots as number of cases times ~3. A ladder test for powder nodes takes ~30 shots. Grouping confirmations, another ~30 shots. If results are not good enough there may be powder or primer or bullet changes plus retesting.</p><p></p><p>If you ever intend to find a best load for a gun, something providing 1/2moa or better, you can forget about this 10 shot hogwash.</p><p>That beginning picture of a 100yd shotgun pattern,, that would kill a deer -at 100yds. But then, so would a shotgun...</p></blockquote><p></p>
[QUOTE="Mikecr, post: 1460771, member: 1521"] You can test for best seating, which will open & close grouping more than anything else, with only the slightest affect to MV, and this will take way more than 10 shots. You can't look at a chronograph and see this. The brass has to be fire formed to stable capacity and consistent chamber fit before any meaningful powder load development can begin. This takes as many shots as number of cases times ~3. A ladder test for powder nodes takes ~30 shots. Grouping confirmations, another ~30 shots. If results are not good enough there may be powder or primer or bullet changes plus retesting. If you ever intend to find a best load for a gun, something providing 1/2moa or better, you can forget about this 10 shot hogwash. That beginning picture of a 100yd shotgun pattern,, that would kill a deer -at 100yds. But then, so would a shotgun... [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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My 10 rd load development
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