For best performance, RIO recommends attaching the following head sizes to these shooting lines sizes: 200 to 400gr .024/.026 shooting line, or 25lb SlickShooter/GripShooter. 400 to 550gr .030/.032 shooting line or 35lb SlickShooter/GripShooter. 550 to 675gr .035/.037 shooting line, or 44lb SlickShooter/GripShooter. 675gr and heavier .040/.042 shooting line or 50lb SlickShooter/GripShooter. |