Venom Tactical 30mm Tactical (Fts) Flip to Side Mount for Red Dot Magnifier for Aimpoint & Eotech Scopes Ar15 M4 Flip Orientation: Ambidextrous mount to allow left or right flip! Built-in windage and elevation adjustment Length: 1.6" (40.6mm) Weight: 5.5 oz, Height (From base of the mount to center of the ring):1.64" (41.7mm) Color/Finish: Non reflective black with hard coat finish Optical Axis Adjustment: Horizontal and vertical adjustments within mount