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.