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At first, I was going to say you shouldn't have ANY cratering at 150 yards with AR500 steel.
Then I noticed it's pretty thin. Is it at least 1/2"?
Cratering of steel is unsafe, as there is no way to predict bullet splatter.
The plates should be suspended from the backside, so that they hang naturally at a slight downward angle (top of plate forward) so that bullet frags are directed downwards into the dirt.
Mine are hung from chains, and yeah, the get hit occasionally at 600 yards (along with the steel sawhorses)...
Some guys use towing straps- bullets pass through...
And a range officer suggested thin wire, as it presents a smaller cross section for the bullet to hit. Makes sense, small wire, thick wire, chain- it's all going to cut if it gets hit.
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