The Leupold DeltaPoint Pro Rear iron Sight mounts on he rearward portion of the Leupold DeltaPoint Pro red Dot Sight. This will provide co-witness between iron sights and the red-dot, and gives a fail proof back-up in case of battery failure. The use of this added to your DeltaPoint Pro will speed up target acquisition. The DeltaPoint Pro Rear Iron Sight is made specifically for handguns.Note: This is for the Iron Rear sight only for the DeltaPoint Pro, not for the Red-Dot Sight (906452)FeaturesAllows co-witnessing through the DeltaPoint ProSpeeds aiming point acquisitionProvides positive backup in case of battery failureSpecifically for handgunsMade In United States of America