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Re: Twist Rates???

25 Feb 2015
@ 01:01 pm (GMT)

Mark Whitaker

The A-MAX works fine in my 7mm-08.

As I said in the first post, l'm looking into the theory of twist rates.

Another example would be the 338 Federal. In Nathan's second book, he says this would be a great long range calibre with the Rocky Mountain 225gr. 2800-3600 fps, ideal twist rate is 1:11. These velocities are ok for 338 lapua or Edge, but at 2400fps of the Federal then a faster twist rate would be better.

As I said, just trying to understand the theory.

As it's been stated in another thread, Nathan's Long Range Calibre book make great reading and re-reading.



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