I've got 5 Rex cans and 3 of them are MG7's, 2 in .224" and 1 in .264". The 264 on my 6.5 creed, 140's going 2860, is entirely hearing safe IMHO, I've shot a couple matches with it now and my teammates have commented how pleasant the tone is compared to other cans we run. I'm also running a 224...