Well that certainly sounds questionable to me. I've never seen anyone with anything like that at the range I go to. I think you better tell him its more trouble than its worth to go around wearing a badge that ppl could mistake for LE.
Just bc its legal doesn't mean you should do it
"Far better it is to dare mighty things, to win glorious triumphs, even though checkered by failure, than to take rank with those poor spirits who neither enjoy nor suffer too much, because they live in the gray twilight that knows not victory nor defeat." Theodore Roosevelt
"The true measure of a man is how he treats someone who can do him absolutely no good." Ann Landers