It seems really strange to me that some folks get "lacquer build up" from Wolf, Tula, etc.
Of all the thousands of rounds of that type ammo that I have fired in numerous different guns, I've never seen any lacquer build up.
I also hear of lacquer "melting." I took several Russian Milsurp fired cases and put a propane torch on them. I could make the lacquer burn if I heated it enough, but I was never able to make it melt.