Co witness an Aimpoint T-1/H-1 with your RTS Dueck Defense sights.
Mounts to the front of RTS rear sight without sight or gun modification
Gives you 3 redundant sighting systems on your rifle. A back up for the back
Co witness with the iron sights in the bottom 1/3 of the red dots field of
view leaving the top 2/3 unobstructed by anything for optimal performance.
* gen. 2 Dueck Defense RTS rear sight with threaded holes required for use.