My dad made these.
30-06 with factory Winchester 150gr put a hole in left target at 100 yards, but at 200 it was just a divet. My 7mm Mag with 120gr Nosler Ballistic tips, AK-47 with FMJ, and my .223 with 55gr Nosler Ballistic Tips just made divets in the steel at 100 and 200 yards.