Excalibur TWINSTRIKE TAC2 CrossbowLightweight. Perfectly Balanced. Tactical Manueverability The ultimate double shot of power optimized for situations where space is a premium, or need to move quickly to get the job done. DualFire Technology features dual triggers, engineered to accurately fire two shots from a single crossbow with tight groupings to maximize a shooters effective range. Dual match grade 4lb. frictionless triggers. The front trigger fires the top rail, the back trigger