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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
velocity based case sorting
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<blockquote data-quote="Mysticplayer" data-source="post: 35956" data-attributes="member: 8947"><p>Monte, I do something very similar and it has really helped me with consistent groups. Instead of just measuring vel, I shoot for group size.</p><p></p><p>The min. distance I shoot at is 180yds (just the way my range is). 250yds is better. Assuming conditions are calm, I shoot groups with the best shooting load. I look for any shot 'out of the group'. I mark the brass. Odds are, that brass fired again will throw the shot out. I pitch that brass.</p><p></p><p>What I have left over is brass that is consistent UNDER FIRE. They may vary when you measure different aspects but that doesn't bother me.</p><p></p><p>I have tried the weight and volume method. Both can give bad results for various reasons. The only way to know about the brass is to shoot it. By doing this, I have been able to get match quality from gunshow mystery stuff to mixed lot onced fired.</p><p></p><p>I find that annealing the necks can help increase consistency when dealing with mixed lot mystery stuff.</p><p></p><p>It is expensive and adds wear to the rifle but I need the practise anyways. It will give you the best brass I know how to 'make'.</p><p></p><p>Jerry</p></blockquote><p></p>
[QUOTE="Mysticplayer, post: 35956, member: 8947"] Monte, I do something very similar and it has really helped me with consistent groups. Instead of just measuring vel, I shoot for group size. The min. distance I shoot at is 180yds (just the way my range is). 250yds is better. Assuming conditions are calm, I shoot groups with the best shooting load. I look for any shot 'out of the group'. I mark the brass. Odds are, that brass fired again will throw the shot out. I pitch that brass. What I have left over is brass that is consistent UNDER FIRE. They may vary when you measure different aspects but that doesn't bother me. I have tried the weight and volume method. Both can give bad results for various reasons. The only way to know about the brass is to shoot it. By doing this, I have been able to get match quality from gunshow mystery stuff to mixed lot onced fired. I find that annealing the necks can help increase consistency when dealing with mixed lot mystery stuff. It is expensive and adds wear to the rifle but I need the practise anyways. It will give you the best brass I know how to 'make'. Jerry [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
velocity based case sorting
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