The American Defense Lightweight QD Mount with Standard Lever for Shield RMSC Sights features the patented QD Auto Lock™ Lever system and can accommodate in-spec and out-of-spec rail systems. Precision machined from 6061 T6 aluminum and finished in hard coat T3 Mil-Spec anodize, this mount offers a 2.33-inch height for use with night vision. The TR mount is 30% lighter than standard mounts and does not require proprietary tools for adjustments. Ideal for enhancing your shooting experience, this mount ensures durability and reliability. ADM AD-TR 2.33" Night Vision Lightweight Red Dot Mount w/QD STD Lever AD-TR-LW-NV-STD