The Leupold DeltaPoint Pro Rear iron Sight mounts on he rearward portion of the Leupold DeltaPoint Pro red Dot Sight. Most people think of the DeltaPoint Pro as a pistol sight, but it is just as capable on an AR platform as it is on a handgun. The CQ DP-Pro Iron Sight co-witnesses with the red dot for continued functionality in the rare case of a battery failure. Leupold's extensive line of DP-Pro mounts will help you get the most out of this extremely versatile sight. The DP-Pro AR mount brings the red dot to just the right height without adding a ton of weight or bulk. The DP-Pro mount adapter can be used on any Picatinny, Weaver, or cantilever rail or base that doesn't require a riser, while the DP-Pro riser can be used on flat-top AR rifles with Picatinny rails. Finally, the DeltaPoint Pro 45-degree AR Mount allows you to mount a DP-Pro to any Picatinny rail for maximum versatility and extremely quick transitions between your magnified optic and your red dot. It also provi...