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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Weighing bullets,,,does it make a difference
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<blockquote data-quote="BountyHunter" data-source="post: 413006" data-attributes="member: 12"><p>FYI it has been proven time and time again by the 1k BR crowd that sorting by ogive with an ogive checker such as the Buhay (sold by RW Hart under their name) will cut groups at 1k in half if your using the 300 SMK in particular and they will be rounder. It will cut vertical for sure. You can use two Hornady comparators on a dial caliper, but you have trouble maintaining the same pressure, where the Buhay checker is uniform tension and no self inflicted variance.</p><p> </p><p>Sierra used to run all the SMKs off different machines into the same box, after numerous complaints they now run all machines separately into separate boxes. I have seen .0017 variance in one 500 box of 175 SMKS. I ended up with about 40 bullets that varied by over .003.</p><p> </p><p>If you weight 1000 bullets you will find those anomolies that you must throw out or they will be out of the group.</p><p> </p><p>The winners consistently sort by ogive even the bergers. the only ones that do not have to be sorted are the BIBs due to them being a flat base and way more consistent than the BT bullets. Most of the top guys are using Juenkes to sort by deviation units even further. That is a little more contraversial though.</p><p> </p><p>BH</p></blockquote><p></p>
[QUOTE="BountyHunter, post: 413006, member: 12"] FYI it has been proven time and time again by the 1k BR crowd that sorting by ogive with an ogive checker such as the Buhay (sold by RW Hart under their name) will cut groups at 1k in half if your using the 300 SMK in particular and they will be rounder. It will cut vertical for sure. You can use two Hornady comparators on a dial caliper, but you have trouble maintaining the same pressure, where the Buhay checker is uniform tension and no self inflicted variance. Sierra used to run all the SMKs off different machines into the same box, after numerous complaints they now run all machines separately into separate boxes. I have seen .0017 variance in one 500 box of 175 SMKS. I ended up with about 40 bullets that varied by over .003. If you weight 1000 bullets you will find those anomolies that you must throw out or they will be out of the group. The winners consistently sort by ogive even the bergers. the only ones that do not have to be sorted are the BIBs due to them being a flat base and way more consistent than the BT bullets. Most of the top guys are using Juenkes to sort by deviation units even further. That is a little more contraversial though. BH [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Weighing bullets,,,does it make a difference
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