I live just a few miles from that town. Always two sides to story and can tell you, many people think that sheriff is a nut job. He had a long history of strange behavior. FWIW.
Just did 1000 yard FTR match this weekend. Barrel was squeaky clean prior.
After 75 rounds of 44.5g N150 was a filthy pig. I always get carbon out 1st, then copper. Lastly very slight amount of JB bore paste and then run patches until white.
Spent the day at the track yesterday with my wife and sons watching Nostalgic Top Fuel.
Today is shooting suppressed stuff and son is cooking for me.
Can't get any better.