I gave one of my rifles a cleaning treatment with"wipe out"last weekend. Thought I had it all cleaned up but must have left some wipe out residue in the rifle as some of the brass I shot at the range turned a little bit blue/tarnished and sticky. Has anyone else run into this. I threw the brass in the tumbler to try to clean it up. Will the brass still be OK to shoot or is there anything else I should be doing to clean it up?