Gas Port Size
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Re: Gas Port Size
I opened up my Wilson Combat 16” carbine gas barrel to .125. With an adjustable gas block, I have had good function with subs and supers. I like having more gas available than needed so I can use what’s required for any situation. I shoot exclusively cast bullets for both situations.
Re: Gas Port Size
My build (10.5" pistol gas) started at .079. That was also touch too small to reliably manage a variety of unsuppressed subs
Re: Gas Port Size
How are you measuring the size?
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- Silent But Deadly
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Re: Gas Port Size
Best way is to use pin gauges.
If you don't have access to those or know anybody with some you could take your barrel by a machine shop and ask if they could check it with pins or you could use a decent set of drills by using the shank end like a gauge pin, once you find a good fit you can measure the drill shank with a 0-1" micrometer.
Just measured my 8" seekins ( pistol gas ) a couple months ago, it has a .096 port. ( it has always run supers and subs both unsuppressed.) I run an AGB tuned down a hair even for subs.
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