Several years ago, a friend of mine asked me to reblue an old Stevens bolt .22 rifle, so I bead blasted the barrel and sprayed it with Oxpho. Came out quite nicely and he was pleased. Fast forward to last summer - he left it laying in a 4-wheeler (but fortunately inside a barn) for several months, now there is a pretty heavy coat of rust on all of the exterior surfaces. Good news is the bore looks pretty good so no harm there.
He would like me to try and kill the rust but doesn't want to spend a lot of time on it because quite frankly, he will probably repeat the previous behavior at some point - might be next year or might be ten years from now.
Last night, I tried scrubbing a small area with some steel wool soaked in WD40. That removed the crust but it's nowhere near smooth. Short of just going ahead with another bead blasting operation, does anyone have thoughts on how to knock down the bad spots and make it look halfway presentable?
TIA, HW