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Old October 11, 2017, 03:05 PM   #8
Mobuck
Senior Member
 
Join Date: February 2, 2010
Posts: 6,243
"BTW, there is no such thing as a gas valve on an AR."

Well, sort of. All of my hosts have adjustable gas blocks or adjustable piston systems.
I wouldn't say "there's no concern" when adding a suppressor to a DI gun but it's not likely to explode. There is a concern that increasing the back pressure can cause undue wear and tear on the components so many users swap in a heavier buffer or adjustable gas block(and some don't). If the residual barrel pressure is excessive, the bolt may not close properly and may even cycle a "double feed".
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