The Shield Mounting Plate is specifically designed for the Glock MOS platform enabling RMS SMS or Jpoint sights to be mounted at an optimal low profile for co-witnessing capabilities.Shield Mounting Plate for Glock MOSCompatible with RMS/SMS/Jpoint red dot sightsFits full-size MOS Glock pistolsLow-profile design enables co-witnessing with standard sightsNo need for suppressor-height sightsThis bespoke mounting solution provides shooters with the ability to maintain backup iron sight co-witnessing while using popular red dot optics on their Glock MOS pistol.