On 2003-01-25 00:23, jsalas68 wrote:
What is the best barrel twist for a 264 winchester magnum, if you are shooting 140 grain bullet.
The best twist depends on bulletlenght and the velocity you will get. General:
Best twist = (caliber x caliber x 150) : bulletlenght.
That means: .264 x .264 x 150 : 1.045(?) = 10, so twist 1 on 10 inches.
RPM = 720 x V0 : twist in inches
There it sits. Alone and forgotten in a desk drawer or maybe in the bottom of your hunting pack. The lowly compass. Primarily initially replaced by the hand held GPS and now even by the new “smart” cell phones that include GPS, electronic compass – even real time imaging on aerial maps! Once the friend of every hunter and now the companion of few. It is not glamorous or glitzy, that is for sure… no bells and no whistles. Aaaaah, but let’s not rush to forget our...