DNZ is know for developing high quality optics mounting solutions for a variety of modern firearms. This particular mount is designed to work in conjunction with a scope that is already mounted. The Picatinny Rail mount will fit around just about any 1" tube diameter scope as long as you have .25" of clearance to fit between scope tube and mount, or scope tube and receiver.
Specifications and Features:
DNZ Products Freedom Reaper Accessory 155AR
Fits around 1" Tube Diameter Scope
5/16" Long Picatinny Rail
Needs .25" Clearance to fit between scope tube and mount, or receiver