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Rifles, Reloading, Optics, Equipment
Reloading
Slow barrel
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<blockquote data-quote="J E Custom" data-source="post: 170084" data-attributes="member: 2736"><p>Chain</p><p></p><p>It could be a million things that cause your load to appear slower than </p><p>the listed loads,Here are some.</p><p></p><p>Barrel length could be different than test barrel .</p><p>Chamber could be different.</p><p>Different brass than in test barrel.</p><p>Also reloading books use calculated velocites most of the time instead</p><p>of actual test barrels as in the past before computer software.</p><p></p><p>Some factory barrels are very rough inside and can not match the hand </p><p>lapped custom barrels velocity( I recently lapped a winchester in 25 WSSM</p><p>that was very bad and would not group and it increased the velocity by </p><p>152 ft/sec and reduced group size 300%.</p><p></p><p>A Bad'ly fouled barrel will also reduce velocity.</p><p></p><p>One more thing could be the chronograph. (If a frend has one check velocity</p><p>in theirs and compair to your readings.</p><p></p><p>Velocity is not everthing so dont worry to much about it as long as there is</p><p>enough to do the job at the distance you will hunt.</p><p></p><p>I hope this will help</p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 170084, member: 2736"] Chain It could be a million things that cause your load to appear slower than the listed loads,Here are some. Barrel length could be different than test barrel . Chamber could be different. Different brass than in test barrel. Also reloading books use calculated velocites most of the time instead of actual test barrels as in the past before computer software. Some factory barrels are very rough inside and can not match the hand lapped custom barrels velocity( I recently lapped a winchester in 25 WSSM that was very bad and would not group and it increased the velocity by 152 ft/sec and reduced group size 300%. A Bad'ly fouled barrel will also reduce velocity. One more thing could be the chronograph. (If a frend has one check velocity in theirs and compair to your readings. Velocity is not everthing so dont worry to much about it as long as there is enough to do the job at the distance you will hunt. I hope this will help J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Slow barrel
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