https://www.luckygunner.com/labs/brass-vs-steel-cased-ammo/
May 9, 2018 #1 JBP55 La. CHP Instructor #409 Premium Member Rating - 100% 338 0 0 Apr 15, 2008 17,060 113 Walker https://www.luckygunner.com/labs/brass-vs-steel-cased-ammo/