The FAST Micro mount by Unity Tactical features built-in standard height backup iron sights (BUIS) for an uncluttered weapon setup without sacrificing capability. Both front and rear BUIS are fully adjustable for windage and elevation. The front sight post is removable, allowing the rear BUIS aperture to be used with traditional front sights, such as the FUSION fixed or folding sights, enhancing the sight radius. This mount is ideal for compact PDW/SMG platforms where rail space is limited, allowing for the attachment of lights and lasers.It is specifically designed for Aimpoint Micro optics (H1, H2, T1, T2, CompM5) and other devices with an Aimpoint Micro footprint, including many from Sig Sauer, Holosun, Primary Arms, and Vortex Optics. Note: This mount does not fit the Aimpoint Comp M5S or M5B.