LaRue Tactical MBT-2S Trigger
arftac.com
LaRue Tactical MBT-2S Trigger 2-Stage Precision Target FCG tool steel crisp break smooth operation including pins for AR-15/M4 AR10 premium better than Geissele

Great trigger especially for the price. If you have a dog, mention it in the order notes and ArfTac will send you dog treats with your order.