I use Boeshield T-9 on my Bi-Tone slide and have had no spec of rust even in hot, humid Florida. I use this stuff on all my cast iron and steel tools in my garage shop. A single application will last for six months as long as you don't remove it with a solvent. Try it, it will likely solve your problem for about $15.
My Bi-tone slide has discolored!?
I went to a considerable amount of trouble and extra time as well as higher cost in obtaining a Bi-tone sub. Imagine my chagrin upon discovering that it has started to rust! I have kept it oiled as much as any of my other fireams and was not expecting this at all. If this finish is hard chrome, it has to be the thinnest application I have seen to discolor this way! It has spots in the cocking grooves as well as along side the front and rear sights. 
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1 - 1 of 13 Posts
