The Daniel Defense Micro Aimpoint Mount is designed to securely mount 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. The Micro Mount provides an Absolute or a Lower 1?3rd Co-Witness with back-up iron sights. Precision CNC machined from aircraft grade 6061-T6 Aluminum and Military Specification Type III Hard Coat Anodized black. Made in the USA!