Tuned Trajectory Compensator TM A shooting industry first & long overdue product! Sight in your rifle zeroed (0) at 100 yds. Determine the range to target. Dial in the corresponding yardage and shoot! Our innovative system makes rotating multi-turn target knobs a breeze! Starting at a 100 yard zero, rotate past each consecutive yardage increment and dial in your target distance. Our target knob tops are calibrated in yardage increments replacing the factory ones. Simply swap knobs! Laser engraved aluminum knobs available for most target knob equipped riflescopes. Calibrated for factory ammunition, custom handloads, and wildcats. We also custom calibrate BDC equipped riflescopes. Benefits of the Tuned Trajectory Compensator Four different yardage formats from which to choose! No more adding up clicks then having to count them out. Faster target engagement Take long range shots with confidence. Engage targets hundreds of yards apart within seconds. More time to focus on good shooting form and possible last second wind changes. Buy a second TTC for a high altitude hunt or different bullet wt. THESE ARE SPECIAL ORDER WITH INFO NEEDED ON YOUR RIFLE AND LOADS PLEASE EMAIL ME FOR ORDERING INFO ToddRay@justshootn.com