Touching Up Anodizing?

Now that I have my stolen huben back in my possession thanks to @jbull again for doing the right thing and kelly for getitng it tip top shape and back after being mishandled. The clown scratched out the serial number it seens to be just surface deep as I ran my nail over it and it's not very deep. I was wondering if anyone has found a touch up that works on this types of parts as I don't want to strip and redo the entire part. I bought Oxpho-Blue Professional Grade Cold Gun Blue (Cream Formula) which looked like it would work but it had no reaction. Any ideas would be greatly appreciated.
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Cold blue only works on carbon steel. Being anodized means your Huben receiver is aluminum. I find Birchwood Casey Aluminum Black works well for touching up small areas like on your gun. It works just like cold blue, but for aluminum.


Glad you got your gun back. Hope the thief gets what's coming to them.
 
Sharpie or maybe a paint pen.

I've tried Aluminum Black and it didn't work that well for me.
Looked more dark brown than black plus it rubbed off pretty easily.
Just my experience.
Maybe you can have better luck with it.

At least the clown had a fairly steady hand while molesting your gun.
Coulda been a lot worse.

Good luck!
 
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Sharpie or maybe a paint pen.

I've tried Aluminum Black and it didn't work that well for me.
Looked more dark brown than black plus it rubbed off pretty easily.
Just my experience.
Maybe you can have better luck with it.

At least the clown had a fairly steady hand while molesting your gun.
Coulda been a lot worse.

Good luck!
I tried sharpie and it looked purple, wonder why yours rubbed off. I was thinking a paint pen but that's a little tougher to match. I was also thinking about having my laser engraver clean up that spot with a nice clean rectangular shape and than etch the serial number in and touch up with black paint or something. Luckily it seems it was just scratched off and not dremeled
 
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I tried sharpie and it looked purple, wonder why yours rubbed off. I was thinking a paint pen but that's a little tougher to match. I was also thinking about having my laser engraver clean up that spot with a nice clean rectangular shape and than etch the serial number in and touch up with black paint or something. Luckily it seems it was just scratched off and not dremeled

Maybe a custom engraved plate that you can adhere on? A jeweler should be able to knock one out.

-Matt
 
I tried sharpie and it looked purple, wonder why yours rubbed off. I was thinking a paint pen but that's a little tougher to match. I was also thinking about having my laser engraver clean up that spot with a nice clean rectangular shape and than etch the serial number in and touch up with black paint or something. Luckily it seems it was just scratched off and not dremeled
Glad you got your rifle back! Throw the book at the thief. Maybe a jeweler or gunsmith could fix. The good news is your rifle is very unique now.
 
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Good idea. In fact, engrave the original obliterated serial number on a small metal cover plate and attach it with some high strength epoxy.
A quality metal plate with duplicate "K1 .22 (5.5)", black background-white lettering, with serial number to cover damaged area would be my choice. Provide jeweler photo, or better yet, gun, to match original. Affix metal plate under "HUBEN." WM