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Rifles, Reloading, Optics, Equipment
Reloading
Why different primers
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<blockquote data-quote="RichCoyle" data-source="post: 2887744" data-attributes="member: 127134"><p>Here is a round robin test of different brands of primers. I should have included my regular primer, the Winchester WLRM primer. It normally shoots groups of 3/8" to 1/2" at 100 yards at an average velocity of 3,665 feet per second. Round robin means I fired one shot at the first target and then one shot at the second target and one shot at the third and then two at the fourth target. Then one shot at the third and one at the second and two at the first and then back towards the fourth target. My theory is each target gets the same amount of dirty barrel. You know, ignorant prejudice. I didn't fire the third shot at the first target because the first two were too far apart.</p><p></p><p>I noticed the third shot always opened up the group.</p><p></p><p>[ATTACH=full]488238[/ATTACH]</p></blockquote><p></p>
[QUOTE="RichCoyle, post: 2887744, member: 127134"] Here is a round robin test of different brands of primers. I should have included my regular primer, the Winchester WLRM primer. It normally shoots groups of 3/8" to 1/2" at 100 yards at an average velocity of 3,665 feet per second. Round robin means I fired one shot at the first target and then one shot at the second target and one shot at the third and then two at the fourth target. Then one shot at the third and one at the second and two at the first and then back towards the fourth target. My theory is each target gets the same amount of dirty barrel. You know, ignorant prejudice. I didn't fire the third shot at the first target because the first two were too far apart. I noticed the third shot always opened up the group. [ATTACH type="full"]488238[/ATTACH] [/QUOTE]
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Why different primers
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