Description Dawson Precision Optic (DPO) System for for Sig Romeo Zero, JPoint, and Shield Reflex Sights. This is a Great low profile system from Every Day Carry! RomeoZero, JPoint, Shield Adapter Plate with .240″ Tall x .135″ Notch Black Rear Sight Installed. Fits all Staccato DPO equipped pistols, will not fit other cuts. Requires Carry Height Front Sight. Rezero Position Pins. This system was designed for RomeoZero without the Steel Protective Shroud. Will not work with RomeoZero Pro. Tools and Hardware Included. *Note: This item is Not Eligible for discounts or dealer pricing.