Bo, I *might* have been intrigued enough to go check out their web page....
Quote:
WARNING: <7.5" Barrels / Pistol length gas systems must use pigtail gas tubes and adjustable gas blocks, if not, damage to weapon will occur
I know you have the adjustable gas block . . . and I'm sure you've seen that, but I'm just making sure. I didn't see a pigtail gas tube listed.