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+--- Thread: What to use for parkerizing touch up? (/showthread.php?tid=21598)
What to use for parkerizing touch up? - PVBoom - 07-10-2020
So I have a PWA lower I am putting a Geissele trigger into.
It specifically says in the instructions, that it might be necessary to do some minor filing around the trigger hole to ensure smooth operation.
I have also ran into a problem with the back of the trigger on the side where it is next to the safety hole, where the detent pin/spring is.
So I filed, then Dremelled it a bit (the lower).
Anyways, what would you use as a rust preventative?
I have Googled parkerization pen, found a Birchwood Casey Super Black Instant Touch-Up Pen which doesn't get the greatest reviews.
I also see a Birchwood Casey Aluminum Black Touch-Up
Then there are the ubiquitous "Just hit it with a Sharpie" comments.
And I need to take out more. While it was moving OK, with the trigger pin tool, then with the pin and spring, when I installed the hammer installed it won't budge.
Sure enough the sharpie I touched up the back corner of the trigger end has marked where I Dremelled earlier...
[ATTACH=CONFIG]16426[/ATTACH][ATTACH=CONFIG]16427[/ATTACH]
What to use for parkerizing touch up? - Lemonaid - 07-10-2020
Ask Brownells. Perhaps this. https://www.brownells.com/gunsmith-tools-supplies/metal-prep-coloring/paint-finishes/air-cure-aerosol-paints/aluma-hyde-ii-prod1117.aspx
What to use for parkerizing touch up? - PVBoom - 07-10-2020
Lemonaid Wrote:Ask Brownells. Perhaps this. https://www.brownells.com/gunsmith-tools-supplies/metal-prep-coloring/paint-finishes/air-cure-aerosol-paints/aluma-hyde-ii-prod1117.aspx
Ack, great idea. I have some Rustoleum Universal flat black I got for the stock, I'll just use that.
https://smile.amazon.com/gp/product/B0016HLAGE/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1
What to use for parkerizing touch up? - montana - 07-10-2020
https://www.amazon.com/Birchwood-Casey-Westlake-Market-Restoring/dp/B07HVB338Q/ref=pd_lpo_200_t_1/144-9923924-0043810?_encoding=UTF8&pd_rd_i=B07HVB338Q&pd_rd_r=818a4964-b7b7-4cd8-881b-bc5b9aef848c&pd_rd_w=wmbUW&pd_rd_wg=3nUlw&pf_rd_p=7b36d496-f366-4631-94d3-61b87b52511b&pf_rd_r=1S277AH9TFHDCG3J2ZAG&psc=1&refRID=1S277AH9TFHDCG3J2ZAG
What to use for parkerizing touch up? - Croak - 07-10-2020
It's aluminum and if it's not visible with the upper attached, you could just leave it. Aluminum oxide doesn't spread and corrode like iron rust, it actually makes the surface harder.
What to use for parkerizing touch up? - FLshooter - 07-10-2020
^^^^^^^^^^
What he said
What to use for parkerizing touch up? - Lastrites - 07-11-2020
I'll second the use of Aluminum Black, degrease area with alcohol and do a couple of applications.
What to use for parkerizing touch up? - tdbru - 07-12-2020
Croak is correct. Aluminum forms a surface oxide upon exposure to atmospheric oxygen. you could just leave it and it won't corrode or rust like iron alloys. and the Lower is probably Anodized, not parkerized, anyway. usually parkerizing is for steel alloys, anodizing for aluminum alloys. the only reason you might want to cover it is for appearance. and as pointed out, sharpies, or paint, or Birchwood Casey's Aluminum Black, they all work.
-tdbru
What to use for parkerizing touch up? - Kswhitetails - 07-16-2020
Tell my Ford that.... lol! Doesn't spread... okay! You heard it, Expy, STOP RIGHT THERE, you're misbehaving!
HAHAHAHAA love it. I just told my wife it makes the aluminum harder so we should just let it go. She didn't smile. &*^&* aliminum cars... as she walked off... ROFLMAO