The Radian Weapons GuardianSix Black Glock MOS with Trijicon RCR is engineered for durability and precision. Crafted with a robust 7075 aluminum frame this pistol offers a reliable and secure optic mounting system. The innovative TRUSEAL technology eliminates the need for additional sealing plates while O-rings on the screws ensure a watertight seal preventing moisture and corrosion. The STUDLOK threaded studnut interface provides superior thread engagement and hold-down power enhancing shear resistance. Equipped with SIX backup sights this system ensures quick and accurate target acquisition even if the red dot optic fails. Designed to be anti-glare anti-snag and with an ultra-low cowitness profile the SIX sights remain discreet until needed ready to support you in any situation.