Murdoc is right, i don't count how much remmy 710 i have painted with armacoat for the same prob, some people don't care of steel part so rust came out very quikly, all my customers are VERY satisfed, the rust never come out. I have a VERY VERY rusty 870 that a native from the north (Waskaganish) gave me to paint, will post pic of before and after if some interested
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