16in middie gas port size? Inquiring minds want to know...
Hahaha....all of them in my head...
Seriously, it would seem to be a very debatable subject given no "standard" size. That being said, yours seems to line up with all the other known quantities in the ar world. I've seen it lightly debated here and elsewhere as to what that size should be for a 16 middie.
As an aside, your website seems to have every bit a boy could want for a blaster. I'll hit you guys for said bits soon as I very much like your business model. Confidence in a supplier /manufacturer is everything.
You are correct that there is no standard for what a midgas gas port should be... But that doesn't mean there's not a way to determine the optimal port size based on system length and dwell time.
It's the same way we derive gas ports in shorter guns.
If 063 is the text book gas port of 14.5/16 carbine gas, then you can work that number backwards while reducing dwell time. You'll see that port size getting bigger.
Of course you also want to validate that math by actually shooting the rifle.
It's not a bad place to start by looking at what actual M4s are gassed at. Why? Because they work. They are slightly overgassed for reliability, but not on the extreme side like a lot of commercial guns. Mil M4s also come with H2 buffers now.
Ejection pattern isn't everything, but it's a pretty good metric to figure out what you've got going on.
If you're using an H or H2 buffer (which you should be... carbine buffers belong in the trash can) and you're throwing brass at the 3-4 o'clock then your rifle is probably where it needs to be.
You absolutely want reliable bolt lock even in less than ideal conditions. Dry, fouled etc...
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And that 100% jives with what I've learned here and elsewhere. Thanks for your time on this.
Best regards,
Future customer
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Last edited by notofnow; 07-28-17 at 10:45. Reason: it was mistake
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