So give have been powder coating my bullets for about six months and love it so far but was going through some of my old target shooting stuff and found a container of HBN and decided to play I'm still doing testing but so far after sizing my powder coated bullets I running them trough a tumbler with HBN and air soft BBs. Then cleaning the excess off with a towel the 300 blackout shot about 40fps faster and cleaner I am hoping to try it is some of my other caliber rifles through the holidays the DOD gain is minimal but the cleaner boar is nice
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