If it isn't coated inside the barrel, it should cause no problems.
I think Hill Country are pretty good guys. I would have given them an opportunity to check it out rather than have it shoot $HITTY.
They are really nice people. Not their fault, they did what I asked them to do. I asked them to open the channel and told them why and they did it. But I moved out of the country for a while after that and a few other things, so it was better sold and moved on. It still shot really well, just not as wonderfully as it had.
