The Daniel Defense Micro Mount is designed to securely mount a variety of popular optics to your flat-top upper receiver including Aimpoint's Micro R-1" H-1" H-2" T-1" T-2" Vortex's Sparc I & II" Primary Arms' Micro Dot & Advanced Micro Dot" Holosun Technologies HS403" or any other optic utilizing the same type of mounting interface.  Offering Absolute or a Lower 1/3rd Co-Witness with your back-up iron sights" this mount is ideal for shooters who are looking for one of the lightest and strongest mounts available to secure their optics.