Advanced Gen 2 Quick Release AR15 Carry Handle, Optics Rail Mount, and Back-Up Flip-Up Rear Aperture Iron Sight. Dual Locking Quick Release Mount that attaches to Picatinny rails. With the VDGRLB there is a Laser Channel machined onto the Top of the Carry Handle. In the front is an adjustable for windage Back-Up Flip-Up Rear Aperture Iron Sight set at the proper 1?" AR15 sight height. Green Dot Reflex Optic with integrated Red Laser is two sighting devices in a compact and sleek design. 3 MOA Green Dot has five brightness settings. Green Dot reticle is fully adjustable for Elevation & Windage. Integrated Red Laser is fully adjustable for Elevation & Windage, independant from the Green Dot. The Green Dot and Red Laser is controlled by a single Rheostat Dial.