Cold Blue


December 30, 2004, 05:47 PM
Does anyone have any experience with really good cold blues? I've read about "Van's" and "Blue Wonder"--but I don't know if they are any good.




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December 31, 2004, 05:26 PM
Hi Tim, I've never used either of the brands you named so I can't speak about them. I have used Oxpho from Brownells with pretty good results. They claim that their testing shows it lasts the longest of the cold blues. I have only used it to touch up a bald spot here and there though not a whole firearm.

January 1, 2005, 01:51 AM
Second for Oxpho!! ;)

January 1, 2005, 02:34 PM
The Blue Wonder's application process is more involved than other out of the bottle blues, you have to heat the metal up with a hair drier and apply several coats. I did a frankenized P-38 over a year ago and shoot it a couple times a month and the finish has held up fine. I also like the Blue Wonder for touch ups. It does not stain or stick to factory finishes and by applying coats till I reached the correct darkness I have touched up guns as dark as my Ruger Security Six .


January 2, 2005, 11:45 AM
I have been experimenting with cold blues.
I find that every piece of steel seems to react a little differently.

These days I wear disposable gloves and my first try is:
1) Degrease with Simple Green
2) rinse
3) dry with kleenex
4) rub on G96 Gun Blue creme* with Scotch brite scour pad while spinning
object in the mini lathe. Pinch hard enough to rub off some of the blue
but not all of it.
5) Degrease
6) rinse
7) dry
8) apply oxpho blue [with cue tip or scour pad in lathe]
9) Do not rinse, but cover with motor oil.
10) let stand over night [it gets really dark overnight]
11) wipe off
12) re oil
*Sometimes I use Dicropan T-4 for the first blue, because it is really
dark, but not resistant to steel wool.

The advantage of my system is there is $15 invested, it takes 10
minutes to do, it gets really dark, it stands up to rubbing.

This may not be as durable or pretty as factory, but in 10 minutes
effort, I get 95% of the way there. You want it nicer? do it all again
and get 97%.

The idea is to get a dark but wimpy blue in the micro crevices, and a
resilient but not so dark blue on the tops of the micro ridges.

The beauty of applying the cold blue with an abrasive, is that all that
will rub off is already rubbed off.

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