Jeff: Thank you for the kind words. The dust is from light colored pastel chalks, which are grinded to a powder like substance. Probably works like the MIG production ones, but a lot cheaper
Mai: I will say no to the bare steel color on the gun barrel, because the gun is made smaller just outside the mantel, which means there's no friction there. I looked through a bunch of pictures, and non of them had any signs of bare metal where the barrel comes through the mantel, but if anyone can produce af clear picture of this, I will stand corrected.
Jacob