The AR-6 Stinger II Tuning Trigger is more forgiving than the standard trigger and requires much less practice to become a proficient shooter Cut down trigger weight and consistently hit your target with the AR-6 Stinger II Tuning Trigger. When used with the 90-pound PRO limbs, it reduces trigger weight by nearly 50% for a constant trigger weight that allows for increased precision and easier shooting. Reduces trigger weight by approx 50% (with PRO limb) Includes black and red trigger for customization compatible with AR-6 Stinger II and M10 lowers (already installed on M10 crossbows) What's Included 1 Trigger in black color 1 Trigger in red color 1 Rack 1 Spring 1 Pin Material Impact resistant, UV-resistant polymer Compatible With All AR-Series Lowers (except Stinger I, comes standard with M10 Tactical)