Smith & Wesson 163603 Model 629 N-Frame Frame 44 S&W Spl 44 Rem Mag 6rd 4.12″ Stainless Steel Barrel, Stainless Cylinder, Steel Frame, Black Finger Groove Grip, Internal Lock Safety, Exposed Hammer

The LM-CRDS (LaserMax-Compact Red Dot Sight) is a robust sight for mourning on RMR optics ready pistols. The housing is constructed of aircraft grade 7071 aluminum. The LM-CRDS comes equipped with an industry first external forward-facing light sensor which automatically adjust the brightness of the red dot based on ambient lighting conditions. A picatinny mount, mounting hardware and battery are included. IPX4 waterproof.