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Twist Rates for A-MAX

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Unread 04-14-2011, 09:13 AM
Bronze Member
Join Date: Apr 2010
Posts: 91
Twist Rates for A-MAX

Can anyone direct me to a formula or program that calculates the necessary twist rate to stabilize various bullets?

I am interested in trying the 75gr A-Max in a 22-250 AI and also the 208gr, or the rumoured new 225gr A-Max, in the new 300 Norma Mag (improved).

I want to be sure to use barrels with twist rates fast enough to stabilize these bullets at sea level, but I don't want to have overly fast twist barrels as I may try some lighter bullets as well.
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Unread 04-14-2011, 09:17 AM
Silver Member
Join Date: Nov 2008
Location: Lincoln, NE
Posts: 185
Re: Twist Rates for A-MAX

You might just call tech support at Hornady. I've always found the guys to be knowledgeable and very helpful concerning their products.

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