There have been a few post about steel targets in the last month and I just wanted to show what happens when you use mild steel for your targets. It works but it does not last long! The steel it 1/2 thick and the rounds didnt penatrate the plate but allmost 3/4 of it. Rifle used was my Armscorp M1A in 308 win at a range of about 250yds. I was shooting LC match ammo that is loded with a 175g SMK. This is a little girls load compared to most of the things guys are shooting in here. This is a piece of mild steel I welded a piece of rebar to the back and stomped it into the ground next to my AR500 poper. This is my AR500 popper from www.metaltargets.com It has thousands of rounds on it mostley of 5.56 and 308 win.