Originally Posted by spaniel

Proof?

"If you spin your bullets too fast, this heats up the jackets and also increases the centrifugal force acting on the jacket, pulling it outward. The combination of heat, friction, and centrifugal force can cause jacket failure and bullet “blow-ups” if you spin your bullets too fast."



Push light bullets too fast in a barrel with a fast twist for heavy bullets (ie many magnum rifles), and you'll see it. Especially since light bullets are often thin-jacketed varmint designs. They can't hold the RPMs.

http://accurateshooter.wordpress.com...stability/eted