The American Defense QD Mount with Tac Lever for Holosun 509T is a robust and versatile mounting solution designed for the Holosun 509T red dot sight. Crafted from 6061 T6 aluminum and finished with a hard coat T3 Mil-Spec anodize, this mount offers exceptional durability and a sleek appearance. The patented QD Auto Lock™ Lever system ensures a secure fit on both in-spec and out-of-spec rail systems, providing low, co-witness, and lower 1/3 co-witness optic heights. Perfect for AR pistols and other lightweight platforms, this mount guarantees reliable performance and easy adjustments. American Defense Manufacturing ADM AD-509T Holosun 509T Low Red Dot Mount w/TAC Lever AD-509T-L-TAC