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1/22/2020 12:12:56 PM
Posted: 9/16/2009 2:36:51 AM EST
[Last Edit: 9/16/2009 2:38:54 AM EST by jamarante]
I just chopped off my lug and pinned my brake. Hit it up with some cold blue, but, it's slightly shiny and not exactlly "black".

Is there a certain brand that works better? Or should I use some other process?

ETA: I use that "blue" bottle of Super Cold Blue. Sorry, forgot the brand name...
Link Posted: 9/16/2009 2:54:34 AM EST
Try several more applications.
Link Posted: 9/16/2009 3:39:52 AM EST
Brownell's 44/40 is good stuff.
Link Posted: 9/16/2009 3:43:29 AM EST
I like Brownells Oxpho-Blue, does a good job.
Link Posted: 9/16/2009 4:15:32 AM EST
Originally Posted By LastRites:
Try several more applications.

Yeah, I've done this. It's kinda reached it's peak of darkness.
Link Posted: 9/16/2009 4:47:54 AM EST
I heard a gunsmith saying to heat the metal up a little before applying it..... like hair dryer heat, not blow torch!
Link Posted: 9/16/2009 6:11:54 AM EST
Originally Posted By markm:
I heard a gunsmith saying to heat the metal up a little before applying it..... like hair dryer heat, not blow torch!


Thanks!! I'll put the hot air gun on it tonight and let you know.

Link Posted: 9/16/2009 7:43:03 AM EST
Originally Posted By markm:
I heard a gunsmith saying to heat the metal up a little before applying it..... like hair dryer heat, not blow torch!


I have had good luck with this technique and birchwood casey cold blue. But the black does not last much, at least not in friction prone parts like sights, etc.

Link Posted: 9/16/2009 8:14:57 AM EST
Originally Posted By TacDoc:
Originally Posted By markm:
I heard a gunsmith saying to heat the metal up a little before applying it..... like hair dryer heat, not blow torch!


I have had good luck with this technique and birchwood casey cold blue. But the black does not last much, at least not in friction prone parts like sights, etc.



Should I remove the existing bluing before doing this, or heat and go right over it?

Link Posted: 9/16/2009 3:20:25 PM EST
That heat trick worked great!!
Link Posted: 9/16/2009 3:31:46 PM EST
Now just make sure to oil the shit out of it, and if possible let it set in oil over night or longer. Helps to reduce and possible rusting as some of the cold blues seem to promote a little.
Link Posted: 9/16/2009 3:32:17 PM EST
Now just make sure to oil the shit out of it, and if possible let it set in oil over night or longer. Helps to reduce and possible rusting as some of the cold blues seem to promote a little.
Link Posted: 9/16/2009 3:32:57 PM EST
Now just make sure to oil the shit out of it, and if possible let it set in oil over night or longer. Helps to reduce and possible rusting as some of the cold blues seem to promote a little.
Link Posted: 9/16/2009 3:49:46 PM EST
[Last Edit: 9/16/2009 3:53:31 PM EST by Winn]

FWIW, I've heard that G96 has a cold blue product that works particularly well.

Link Posted: 9/17/2009 8:43:34 AM EST
I've had excellent results with Brownells Oxpho-Blue.
Link Posted: 9/17/2009 9:02:17 AM EST
I think LastRites should check his disconnect.
Link Posted: 9/17/2009 11:46:28 AM EST
Originally Posted By jamarante:
That heat trick worked great!!


Really? I'll have to try it next time. I've had poor luck with Oxpho-Blue, but have yet to try the heat trick.

Link Posted: 9/17/2009 4:35:25 PM EST
Originally Posted By markm:
I heard a gunsmith saying to heat the metal up a little before applying it..... like hair dryer heat, not blow torch!


+1 on that.

Have about a dozen cold blue solutions and each work different. Each has a different color and some work on SS depending on it's make up.
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