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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
3 lug vs 2 lug: GO!
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<blockquote data-quote="Coyote Shadow Tracker" data-source="post: 3034889" data-attributes="member: 116439"><p>I remember years ago that when shooting competition it was thought that if the bolt lugs locked up at say 12 o clock, 4 o clock, 8 o clock there was more even pressure on the cartridge. I also went to the extreme of measuring cases with a Neco Concentricity gauge for any "Banana" curvature on the brass case due to difference in wall thickness and would mark brass cases to load the same orientation in the chamber.</p><p>Today's Actions are built to such high tolerances that it doesn't matter if two or three lug.</p><p>Although we do use BAT actions with three lug in our "F" Class and ELR builds.</p></blockquote><p></p>
[QUOTE="Coyote Shadow Tracker, post: 3034889, member: 116439"] I remember years ago that when shooting competition it was thought that if the bolt lugs locked up at say 12 o clock, 4 o clock, 8 o clock there was more even pressure on the cartridge. I also went to the extreme of measuring cases with a Neco Concentricity gauge for any "Banana" curvature on the brass case due to difference in wall thickness and would mark brass cases to load the same orientation in the chamber. Today's Actions are built to such high tolerances that it doesn't matter if two or three lug. Although we do use BAT actions with three lug in our "F" Class and ELR builds. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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3 lug vs 2 lug: GO!
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