Kinetic Development Group Sidelok Aimpoint Micro Mount Absolute Co-witness Black. The patented cam system locks the mount down onto picatinny without the need of tools side levers or huge knobs. The release system allows users to change out there optics on the fly with less hassle. The 2 levels of locks (Micro Mount Specific) ensure the optic will not move unintentionally maintaining zero for the shooter and returning to zero when remounting in same position after removal. This mount utilizes a absolute co-witness. Specifications for Kinetic Development Group Sidelok Aimpoint Micro Mount Absolute Co-witness: Manufacturer: Kinetic Development Group Color: Black Finish: Black Anodized Gun Make: Universal Gun Model: Universal Red Dot Sights-Footprint: Not Applicable Optic Cut: Aimpoint Micro Hand: Ambidextrous Length: 2.825 in Width: 1.1 in Height: 0.81 in Weight: 2.7 oz Included Accessories: Standard Package Contents: Kinetic Development Group Sidelok Aimpoint Micro Mount Absolute Co-witness Kinetic Development Group SID5-121: Sidelok Aimpoint Micro Mount Absolute Co-witness Black