Darkening a polished receiverPro
 

Probably been discussed before but is their any way to darken up a polished receiver on a Parker? Just to make it look a bit better, thanks, Steve

I used plain old apple cider vinegar on my Trojan; did a nice job. I was advised to keep it away from screws and pins as it can seize them up. You can go over it as many times as needed to get something you like.

Right, Phil’s recommendation will yield a nice French gray appearance.





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Gee Steve, for what gun would that be?
Congrats on that find.

It is as close to French Gray as you can get, but a word of caution; If you're dipping the whole receiver in vinegar, Rinse it in boiling water as soon as you remove it from the vinegar bath. The gray appearance is actually etched, and the vinegar will continue to etch the metal until is thoroughly washed off. You can dip it as many times as you want to achieve the color, but only dip it for a minute or two at a time. It will remove any trace of case colors.

You could use cold blue and knock it back to gray it. That would not etch the metal.