• The AD-509T QD mount features the Patented QD Auto Lock Lever system.
  • Does not require proprietary tools for adjustment.
  • Can be adjusted with your finger or a flat blade screwdriver.
  • Lever can be configured to lock to the front or the rear.
  • Superior clamping surface to insure maximum rail engagement.

Full details and secure checkout: https://3crtactical.com/am-def-holosun-509t-qr-low/