Strike Variable Optic Mount features modular centerline heights including 1.42 (Absolute Co-Witness) and 1.57 (Lower 1/3 Co-Witness) for AR platform firearms. Constructed from aluminum with a black anodized finish, this 4-piece adjustable mount system weighs between 0.70 oz and 1.70 oz. Designed for red dot sights with Aimpoint Micro footprints using base screws, it attaches directly to standard 1913 Picatinny rails. Safety Note Always ensure the firearm is unloaded before installing or adjusting any optics or bases. Verify proper torque specifications during installation. Improper mounting may affect accuracy and safety.