TacFire&reg; 45 Degree 4 Slots Offset Side Flashlight , Laser , Iron Sight , Red Dot Sight Picatinny Weaver Rail Mount with Thumb Screw TacFire Official Product , 45 Degree Offset Rail Mount/Weaver Style allows you to attach lasers flashlights red dot sights and other tactical accessories you might need. The special offset canted design allows for more versatility and eliminates interference. Perfect for Mounting a Backup Reflex Sight side by side with your Primary Optic. Ergonomic Design gives easy access to on/off switches for Flashlights, Lasers, or Red Dot Sights. Constructed of Solid Aluminum, Hard Anodized for corrosion resistance. Rail length : 1.75" , Weight : 1.4 Oz