Dirt berm. No rocks.
I have a stack of railroad ties (to fasten targets onto) in front of a dirt berm, the .223 and 7.62 punch right through the railroad ties like they were not even there.
Hey guys, I know it's stupid to stand I front of rocks and fire away. By rock ledge I meant something a
Like 250 yards away XD. Sorry for the miscommunication.
My friend read all the posts. Let's just say he offered me some money to get my backhoe and build him a berm.