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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
need suggestions plz.........
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<blockquote data-quote="BountyHunter" data-source="post: 30959" data-attributes="member: 12"><p>With the MKs, it is not weight that will kill you but bearing surface length variations. Now you might run into variations on weight too. You need a dial caliper and a stoney point ogive checker tool. Put the tool on the blade and then measure your bullets from the bullet base with the nose sitting in the ogive checker on the other blade. Bet you will see large variation (.005-.020) in length. </p><p></p><p>With Sierras you need to record that bearing surface length and make sure you continue to seat bullets based on that lenght in relationship to the lands not OAL.</p><p></p><p>Sierra used to run its MKs on different machines and then drop the bullets on conveyer to all be dropped in the same box. Wild variations that way. Supposedly last year they started running each machine into separate boxes to stop that.</p><p></p><p>BH</p></blockquote><p></p>
[QUOTE="BountyHunter, post: 30959, member: 12"] With the MKs, it is not weight that will kill you but bearing surface length variations. Now you might run into variations on weight too. You need a dial caliper and a stoney point ogive checker tool. Put the tool on the blade and then measure your bullets from the bullet base with the nose sitting in the ogive checker on the other blade. Bet you will see large variation (.005-.020) in length. With Sierras you need to record that bearing surface length and make sure you continue to seat bullets based on that lenght in relationship to the lands not OAL. Sierra used to run its MKs on different machines and then drop the bullets on conveyer to all be dropped in the same box. Wild variations that way. Supposedly last year they started running each machine into separate boxes to stop that. BH [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
need suggestions plz.........
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