Removed the trigger.
It was pretty nasty with fouling and several slivers of lead.. Good old 22LR.
I cleaned each piece of the trigger assembly and trigger area in the lower.
Re-assembled.Now the trigger and safety work as normal.
I guess one of those metal slivers got underneath the disconnector and held it up.
Not that you'd probably want to do this on your rifle, but a lot of Match AR shooters are applying a thick coat of grease to the sides of the trigger well in the lower.
The heavy grease tends to catch and hold blown primers and assorted grit and foreign matter and prevents it from getting into the trigger unit and causing these problems.
Originally Posted By Dano523:
Best guess, you have a piece of blown primer hiding under the trigger.
Pull the trigger, check the receiver void for debris, Lube the FCG parts, reinstall, then re-adjust the trigger.
It's a .22 upper????
What did GA say when you contacted them?