Here is how I paint the ACU (example is the legs from "Kicking In Doors Iraq" from Verlinden"). The tools that I use include clips/tweezers to hold the figure, two clear plastic cups (one for salt and one for water), salt and water (both in cups), a toothpick, a fine paint brush, a large, soft-bristled paintbrush, and an airbrush.
First the paints (IDK if they are the accurate colors, or not, but they look good enough):
Then I painted the green on first, that is my base coat:
Then I waited until it was dry (in this case, it was atleast 24 hours, because I painted the green on, but walked away for a day or so), and I dipped it in a cup of water. Let the water bead up and then sprinkle salt over the green. Not all of it will stick, so then sprinkle some more. If there is too little water, there won't be enough for the salt to stick, so, using a fine brush, apply water that way. Then take pinches of salt to sprinkle over the wet area. While the salt is drying, and you think you put too much in a certain area, use a tooth pick and move the salt around:
Once dry, spray the next coat on, but be careful so you don't blow away the salt. I will have to look at the actual PSI that I use and get a good estimation of the distance at which I spray. Then you spray your next coat, which, in this case, is the darker grey:
More to come as complete this paint job and clean him up as the weekend presses on.
Hope you enjoyed,
Austin