I just bought an interesting Bearcat a 3 digit serial number from 1958. The gun is sound mechanically and very tight however it was stored in a holster and got wet leading to severe pitting on the barrel and ejector housing and lesser pitting on the loading gate and hammer. I have filed and sanded out most of the pits and I am now debating whether to duracoat with durablue or to send it to Ruger for rebluing. I need advice! Please chime in with your thoughts, thanks Tim