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Old November 7, 2010, 07:30 PM   #1
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what grain in a mini-14 tac

what is the heavist grain factory load that i can shoot accurately, say up to 100yrds for deer?
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Old November 7, 2010, 10:02 PM   #2
Art Eatman
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Depends on the twist. 1:10, I imagine no more than 65- or 70-grain. 1:9, a bit heavier. Check the bullet catalogs, since there are controlled expansion bullets in .223 in the range of 55 to 70 grains.
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Old November 7, 2010, 10:16 PM   #3
B. Lahey
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Try a bunch and find out. If you tell us the twist rate we may be able to get you into the ballpark, but individual barrels are weird about this.
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Old November 7, 2010, 10:40 PM   #4
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Ruger lists the barrel as 1:9" RH. That means you should be able to run 68 grain or less just fine, depending on the bullet type, and the specifics of YOUR rifle.
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Old November 7, 2010, 11:43 PM   #5
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with a 1/9 twist you can shoot up to 75gr. i load 60gr. sierra, 65gr. sierra, and 69gr. sierra. they all shoot very well out of my 580 series mini. the 65gr. is what i let my son hunt with. 75gr. will stabilize out of my mini, although im not sure about 77gr. or higher. the 65gr. is suprisingly a very accurate bullet, or it has been for me anyway. the 60gr. varmiter has been the most accurate of all the ones i have tried so far.
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