Quote Originally Posted by soldier-of-the-apocalypse View Post
I doubt it the steel I used was 1/4 inch thick so it should hold up to .308 but like I said the original plan was to put another peice of ar500 below
308 will smoke through .250 mild steel like it wasnt even there, even past 600 yards.

If you put a chunk of AR-500 in front of the base it should help. Keep in mind how low the bottom target is. If you miss low, you can throw a bunch of dirt on the plate and they get really hard to see with a fresh coat of dirt.