We’re not sure about twists of Fate, but a number of you have asked us about twists of rifling. The question usually comes in the context of AR-15 rifles and their clones, with rifling twists of 1:14. 1:12, 1:9, 1:8 and 1:7 all having been used.
Can you calculate optimum twist for a given caliber and projectile? Yes, you can. There are two equations that are commonly used, Greenhill’s and Miller’s.
"A strong body makes the mind strong. As to the species of exercises, I advise the gun... Let your gun, therefore, be the constant companion of your walks." Thomas Jefferson, 1785.
Read "War is a Racket" by MG Smedly Butler,USMC. He was awarded the Medal of Honor twice. http://warisaracket.org/" onclick="window.open(this.href);return false;
Henry Kissinger said, "Military Men are just dumb, stupid animals to be used as pawns in Foreign Policy" and has not denied this quote to this day.