The LEAP 01 mount by Scalarworks is the lightest, strongest and most compact quick-detach mount for the Aimpoint Micro T2 and CompM5 optics. The ClickDrive(TM) system by Scalarworks ensures a hold and return to zero in any condition and the thumbscrew allows for quickly and easily detach and reattach the optic. Reflex Optic Sight Compatibility Aimpoint: Micro T-2, H-2, T-1, H-1, CompM5 Holosun: HE403, HE503, HE515, HE530, HS403, HS503, HS515 Primary Arms: Advanced Micro Dot, Microdot Sig Sauer: ROMEO4 (H/S/T), ROMEO5 Vortex: CROSSFIRE(R), SPARC(R) II, SPARC(R) SOLAR Specifications Materials: 7075-T6 Aluminum / 4140H Steel Finishes: Type III Anodizing / Flash Nitride Center height over rail: 1.57" Co-Witness: Lower-Third Weight: 1.58oz Origin: USA Rails: MIL-STD-1913 Picatinny Includes: Scalarworks(R) Leap(TM) (SW0100) mount, M3x4mm Nylok(R) treated fasteners, T10 Torx driver bit driver and instruction manual. The optics bundle includes all of this plus the Aimpoint Micro T-2 optic, Flip-Up lens covers, CR2032 battery and micro tool.