I used fine steel wool to mask the grip that I first painted brown then black over the top. There was some steel wool stuck to the grip but I pulled it off with tweezers. Maybe I can figure out a better way on the front grip. I think the result was very nice. Will post additonal pictures
The way i’ve done it before is in this case, to spray on your brown base, give it a coat or two off matte poly or laquer. Then wet sand that a bit to open up the surface of the matte finish then spray your black on. Once its dry, take some 0000 wool and gently sand off your wear marks, then spray your final coat of finish.
front grip done now, masking with dine steel wool and a couple spots i did dab the steel wool on the grip
Very nice.