On Monday, December 15, 2014 4:39:48 PM UTC-8, Keyser Söze wrote:

Nothing wrong with steel cased Tula. More people have good success with it than those who don't.

http://www.ar15.com/forums/t_3_16/591587_.html


The coated steel TULA bullets are tough on barrels. Tested and proven.
And steel cases are tougher on rifle innards than brass cases.

Maybe, maybe not. Some people on the AR forums have digested 4000+ rounds of the stuff through a single arm with little or no significant wear.