A richochet off of any hard surface is always a possiblilty. Usually those silos are made of concrete block. They have a tendency to crumble when hit by a large bullet. Maybe you can watch them come down to your shot; if you get a lot of misses. Actually, the bullets will have less tendency to richocet off of the blocks than solid concrete. Do you plan on missing that 6' by 8' box often?
