I haven't ruled out an adjustable gas block. Was just saying that there is value in keeping things simple if the added value is minimal. I also have a growing parts box for an AR10 build that's on my radar. It has a SLR Rifleworks AGB that I could use for this if I choose to do the AR15 first.

Progressives are the most open minded, tolerant, and inclusive people on the planet, as long as you agree with everything they say, and do exactly as you're told.