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Old October 17, 2012, 04:34 PM   #9
Bart B.
Senior Member
Join Date: February 15, 2009
Posts: 6,318
Unclenick is right about capacity vs weight being valid only when outside case dimensions are the same. This happens one other place besides in a die. . .in the chamber at peak pressure.

Sierra Bullets has no problem getting sub 1/4 moa with 30 caliber match bullets at 200 yards from .308 and .300 Win mag cases with a 2% spread in case weight and thrown charges. I don't think case weight within a given lot is too important as long as its in a 3% spread.

As arsenal match ammo with such spreads in case weight and capacity gets sub 1/3 moa at worst at 100 yards (and 1 moa at 600), reloaded ammo with the same thing not doing as well has bigger variables elsewhere.

Last edited by Bart B.; October 18, 2012 at 09:03 AM.
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