Cross Armory Tac 2 AR-15 Flat Faced 2-Stage Drop-In Trigger CRAR15TDIBK is a premium two-stage AR trigger designed to balance control and speed. It delivers a smooth first-stage takeup, a crisp short second-stage 3.5 lb break, and a tactile short reset for fast follow-ups. Ideal as a drop-in upgrade for AR-15 platforms. Professional installation by a qualified gunsmith is strongly recommended. This item cannot be shipped to California. Upgrade with CNC Ambidextrous Safety Selector and SmoothLock Selector Pin Kit to eliminate play and add ambidextrous control and a refined selector feel.