Trijicon 3.25 Adj Red RMR Type 2; RM34W

Developed to improve precision and accuracy with any style or caliber of weapon. Rugged, forged aluminum housing. Easy-to-use adjusters with audible clicks allow for quick windage and elevation adjustments. Eight available brightness settings; adjustable by pressing the plus or minus buttons on either side of the unit. Can easily switch to Auto Adjust mode. Powered by one CR2032 lithium battery. Battery-conservation mode. LED red dot day/night reticle illumination. True-Color multi-coated lens. Parallax-free. Waterproof up to 66 feet. NOTE: if mounting on the Glock MOS system or Springfield OSP pistol, a Trijicon RMR mounting kit (AC32064) is required.