Precision machined aluminum and steel components provide more mounting options to increase the versatility of your Aimpoint Micro series red dot sight. LT660 QD Riser Mount made for Aimpoint by LaRue Tactical allows mounting on any flattop AR-15/M16/M4 at the ideal height for quick, precise, head-up target acquisition. Lets you retain and co-witness your rifle's factory iron sights through the lower 1/3 of the Micro's field of view, so they won't interfere with the Micro's sight picture. Locking, quick-release lever for fast attachment and removal from rail; machined recoil lug and side rail clamp ensure a rock solid installation. Correct height for use with Aimpo Mfg: Aimpoint SPECS: LT660 - Aluminum, hard anodized, matte black.