Last edited by scooter22; 10-09-21 at 08:26.
Centurion is dialing the gas way back lately.
A few years ago they so overgassed they were almost unusable without an adjustable block.
I built an upper with their 16” mid and it had a .080” port iirc.
I'll echo scooter22 and say my 12.5 is gassed perfectly for 50/50 suppressor use. .066 with a pin gauge when new.
As far as their longer barrels go, the new 14.5" and 16" LW and medium profile barrels are all ported at .075. A bit large for the 16", but far better than the .080 that they used to be, which from my understanding was FN's spec and not Centurion's.
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