I use PC in my form 1 suppressor with a couple of 300 BO AR uppers (a 16" and a 10" SBR) and a 7.5" Encore pistol in 300 BO and I don't have much build up in it, but I do also use Smokes powder.
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I use PC in my form 1 suppressor with a couple of 300 BO AR uppers (a 16" and a 10" SBR) and a 7.5" Encore pistol in 300 BO and I don't have much build up in it, but I do also use Smokes powder.