Sizing die setup
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.003 bump
It takes less energy to push .003 bump to chamber size than a cammed over .010. Differences in annealing, case wall thickness, and a billion other things influencing energy delivered to move the projectile. The smaller the margin I set for those variations to just free roam and do unpredictable things the better results I will have down range. Consistency is a game of minimal variation, elements that can't be controlled directly have to be influenced indirectly. If I don't know that the brass is going to expand in exactly the same way every time then I need to minimize the expansion time available for growth to occur by resizing as minimally as I can get away with. I don't mind the little extra case capacity either.Last edited by Zeneffect; 05-30-2022, 03:28 PM.
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Last edited by Harpoon1; 05-31-2022, 06:38 AM.
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Hornady comparator (Stoney Point formerly) is your friend here.
NRA Basic, Pistol, Rifle, Shotgun, RSO
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.com
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Originally posted by Harpoon1 View Post"Wild flower, growin' thru the cracks in the street" - Problem Child by Little Big Town
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