This is a Elftmann Tactical Trigger known as the Curved, model AR-10-C.
The ELF Drop-In AR-10 Trigger has been built to withstand the punishment of high powered calibers. The only AR-10 trigger using aerospace grade sealed bearings" making for an incredibly smooth and fast trigger pull. Pull weight from 2 3/4lbs to 4lbs is so easy to adjust it can be done in seconds without removing the trigger from your lower receiver.
Features:
Fits any mil-spec AR-10
Absolutely Drop-Safe regardless of pull-weight
Adjustable from 2 3/4lbs to 4lbs without removing from lower
