Dawson Reflex System, for Holosun 507K Reflex Patented DPO-ECO/Carry Height/Black Co-Witness Rear, by Dawson Precision®

its all Staccato DPO equipped pistols, will not fit other cuts. Requires Carry Height Front Sight. This is a Great low profile system for Every Day Carry! Holosun Adapter Plate with .335" Tall x .135" Notch Black Co-Witness Rear Sight Installed Tools and Hardware Included. Perfect Impact Policy Applies Only if DP Recommended Front Sight is Used. *See Details* If you have a Staccato DPO with Tactical height sights, you will need a front sight .135" shorter than your current front sight.