Leupold DeltaPoint, Mount, Black, Leupold DeltaPoint Pro 45 AR Mount 173236 Magnified optics are great but sometimes you need the speed and field-of-view of a red dot - so why not have both. The Leupold 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 a red dot.