Quote Originally Posted by jpmuscle View Post
Sonofagun,

The BRT port insert is what you seek. Even with the pinned GB on your mk18 it's an easy install. .060 or. 062 if your dedicated suppressed would work well from my research.

I have a 060 port for one of my mk18s. Just haven't installed it yet.
Looks interesting! I've held off getting a "Govnah" since I haven't run into any real problems. I'm glad to see that there are alternatives if I choose to make a change for the gas block.

Thanks for the info!