Firefield FF25016: Extend your range and accuracy with Firefield's BattleTek Sight with red laser. BattleTek sights are compact and crafted out of a lightweight, durable glass-filled nylon plastic material. A red 5mw laser delivers pinpoint accuracy with up to 30 yards of visibility during the day and up to 300 yards at night. Easily turn on the laser with an ambidextrous digital switch control, fitting the needs of all users. The BattleTek is IP55 rated water resistant and can withstand a max caliber of .308.