American Defense Manufacturing Holosun 509T QD Mount Titanium Lever Lower 1/3 Co-Witness Mount Height Black AD-509T-11-TL. The AD-509T-TL QD mount is a one piece unit that offers low co-witness and lower 1?3 co-witness optic height. The mount is...
American Defense Manufacturing Holosun 509T QD Mount Titanium Lever Lower 1/3 Co-Witness Mount Height Black AD-509T-11-TL. The AD-509T-TL QD mount is a one piece unit that offers low co-witness and lower 1?3 co-witness optic height. The mount is...