I'm not convinced that choking down the gas port flow, by whatever means, will reduce gassiness. I don't have a wide sample to draw from. But it seems I can still remember a certain amount of gas.. even when tuned to dedicated suppressed levels.
A certain amount of gas will still flow out of the chamber and ejection port. If you ever pull the bolt/bolt group on a recently fired suppressed barrel, you'll notice that you can't even see down the bore because of the thick, nasty gas lingering in the barrel.
"What would a $2,000 Geissele Super Duty do that a $500 PSA door buster on Black Friday couldn't do?" - Stopsign32v
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