Hello ya’ll
Like lots of folks, I have a stick or two that I beat the crap outta.
And one or two that are still really nice n smooth. Anyone find a great way to touch up the anno on uppers and lowers that works well and stays put?
The birchwood casey pens never really seem to work.
Thanks
Personally I use an ordinary black Sharpie marker for minor dings that I don’t want shiny. If I had something really beat up I would use any quality spray paint to paint over the whole thing. Duplicolor auto engine paint is cheap, readily available, and in my use more abrasion resistant than the normal Krylon and Rustoleum spray paints. (They don’t make many gun type colors, but do make flat black and a matte gray “Cast coat iron”) If you want something both pretty and durable, I would look into Cerakote.
I use the Birchwood Casey Alumablack in a bottle. I just apply it with a q-tip. Seems to do a good job.
I use Birchwood Casey’s Aluminum Black for small nicks & scratches
Try degreasing with alcohol before touching up.
You could try your eye liner. 24 hour lucious lash probably holds up pretty good. :sarcastic:
Thats funny
+1 for the black sharpie
Black paint pen lasts about 2 months with mod to heavy use or years if you don’t finger **** your gun a lot.
Sharpie wide tip, not fine point for nicks and scratches.
Sharpie 500 degree industrial for when I’m so inclined.
…or Revlon with the expanding brush. Keeps the clumps to a minimum. 
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Another black sharpie user here.
I guess I don’t worry about nicks or scratches much unless they interfere with function.
Just because I touch up the nicks & scratches doesn’t mean I worry about them. Just something to do instead of watching TV
Birchwood casey black works very well if you use it the same day the ding occurs. degrease the ding , apply birchwood with a q-tip and the scratch will disappear, provided your weapon is black:)
Same here, with good results. I usually do more than one application and I find that it lasts a while.
Rattle can
electrical tape 
Blood
Sharpie is probably the easiest and cheapest avenue.
I’ve used a black sharpie for minor touch ups on my bolt guns and spray paint of my AK’s.