i think silencerco does or did jail break. Have you tried to have AAC clean in for you, they can prob get it back to factory specs as its their can
AAC does not offer a cleaning service anymore. At least that's what they told me.
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It was a demo can that I bought for 100 bucks from the guys at Polite Society Inc back in the day
Good deal. I paid 200 bucks for my cqb-9 so I just abuse it. **** it.