So I got my hands on a K31 and love how it shoots, but while doing a basic cleaning I discovered something that I couldn't quite get off with some solvent + cloth.
Now some of the more experienced guys can hopefully chime in on whether or not that is in fact rust, and if so how can I remove it from this thing of beauty
thanks!



Now some of the more experienced guys can hopefully chime in on whether or not that is in fact rust, and if so how can I remove it from this thing of beauty

thanks!