Bluing questions

[Fick_2141]

I have just bought a 15X unertl for a good price. It is mechanically fine but probably went a few years without being wiped regualrly with oil. It has small specks of surface rust here and there. A piece of Scotch-Brite cleans it up, but also removes the thin blue finish.
I know I can send it off to Parsons scope service, and I may do just that, but I want to know if I could use some sort of cold blue and be reasonably satisfied with the results. I got a good buy on the scope, and a professional job would definately be worth it, but I'm looking into options of a DIY without taking the scope apart. I just got this Unertl, and really don't want to spend any more, or wait for turn around at this time.
Anyone have experience bluing a vintage scope?

Information

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[Gator]

I've never had luck with cold blue. Sure, it covers up a bare spot, but I never could get it to match well. It helps if you can heat up the part you are blueing, but I don't know if that's a good idea with a scope.

I've sent both Unertl and Lyman scopes to Parsons, and have been very happy with the results.

[Johnny Peppers]

Agree. Cold blue looks and smells like cold blue. It works pretty good for hiding a small spot, but never looks good trying to cover large areas. 4/0 steel wool and oil would have worked better for removing the rust.

[0311Shooter]

Have been using a product called G-96 for years. The greatest stuff since sliced bread. Can touch up or redo whole small parts. It comes out black-blue, the more applications, it becomes more black park looking.

I believe they have a web site somewhere. They also make some great gun oil too.

[Fick_2141]

What was the turn around time on the scope you sent to Parsons ?

[Gator]

What was the turn around time on the scope you sent to Parsons ?

It was several years ago, and I don't remember; a few weeks? It was worth it though, and having your scope professionally refinished will help its resale value. And Unertl's have excellent resale value.