Originally Posted by blucoondawg
Forgive my ignorance on the issue but I have never done it before, what is cold blue is that like the Birchwood Casey Perma Blue product? And what would you buff with? I had a friend fix a spot on my 22-250 one time with perma blue and it looks decent but I do not recall what he did.
yes, the Perma Blue is a cold blue product. most of the products sold in gun stores for the DIYer are cold blue products.
short answer. you clean the area well that needs touched up. buff with some very fine steel wool. apply the cold blue to the intended area, (some like to use Q-Tips for this) let dry, repeat the number of applications until the desired color is reashed. some need to be rinsed with warm water and then dried to neutralize the chemicals. then buff out with a cloth or very fine steel wool and oil.
there are different brands of cold blueing and some are better than others. cold blueing is good for small repairs, but isn't a substitute for a proper hot blueing job.