Originally Posted by 3rdgen40
My M&P fullsize 40 rusted a little...after shooting at an outdoor range in the rain, with the case open and then storing it in a very little misted case. But, after opening the case few days later to clean the gun and finding the rust, a few sprays of WD40 and scrubbing it down with some 000 steel wool, all is good.
Gen 3: G19,G20,G23,G26,G27,G29,G30,G30S,G32*,.50GI
Gen 2: G19
Gen 4: G17,G22
Gen 1: G17
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