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Rifles, Reloading, Optics, Equipment
Reloading
ES group
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<blockquote data-quote="Vol1975" data-source="post: 1768572" data-attributes="member: 100380"><p>case fill plays a big part on low Es. I run 4831sc in a 7 mm mag and Es is 20 but it shoots crazy accurate out to the range I am comfortable for me to shoot game. 600 yards. Now I can take h1000 and rl 23 and get single digits spread but not as good as groups. Not bad but just better with 4831. I've chased Es before and it's fine but at end of the day I go with which one shoots the best at the distance. </p><p>I will tell u I've seen primers, consistent primer holes, cases being the same weight or brand along with consistent neck tension play a big key in to tighten Es up or down In the 30 years I've reloaded. </p><p></p><p>With you running Lapua it will rule out cheap brass and primer holes uniformity out so I would play with primers, neck tension (.001,.002,.003) and a powder that may fill up case more</p></blockquote><p></p>
[QUOTE="Vol1975, post: 1768572, member: 100380"] case fill plays a big part on low Es. I run 4831sc in a 7 mm mag and Es is 20 but it shoots crazy accurate out to the range I am comfortable for me to shoot game. 600 yards. Now I can take h1000 and rl 23 and get single digits spread but not as good as groups. Not bad but just better with 4831. I’ve chased Es before and it’s fine but at end of the day I go with which one shoots the best at the distance. I will tell u I’ve seen primers, consistent primer holes, cases being the same weight or brand along with consistent neck tension play a big key in to tighten Es up or down In the 30 years I’ve reloaded. With you running Lapua it will rule out cheap brass and primer holes uniformity out so I would play with primers, neck tension (.001,.002,.003) and a powder that may fill up case more [/QUOTE]
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