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Old January 21, 2010, 07:15 AM   #1
tes1900
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Join Date: November 8, 2009
Location: Gardnerville Nevada...Free America
Posts: 35
Another about internal ballistics

I am trying to find a bullet for my AR-15. The gun has a 1 in 7 twist. What weight would you recommend? Is there a calculation one can do where you plug in the twist and you get the optimum bullet weight?
I have been thinking about a 50 grain or even lighter, but I would like to start with the best weight to begin with.
Thank you in advance for any help.
Tom
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