FAB Defense Glock Polymer Scope Mount Polymer Black. Tight fit of adaptor ensures the stability and accuracy of laser & optical devices. No modification or gunsmithing required. Specifications for FAB Defense Glock Polymer Scope Mount: Manufacturer: FAB Defense Color: Black Gun Make: Glock Fabric/Material: Polymer Red Dot Sights-Footprint: Not Applicable Optic Cut: Not Applicable Features of FAB Defense Glock Polymer Scope Mount: Accepts all 1913 MIL-STD Picatinny based sights Durable and lightweight fiberglass reinforced polymer construction Original sights remain functional Quick and easy installation Facilitates prompt sight alignment Adds a front underside accessory rail in place of the used original Compatible with all Glock models with accessory rail Package Contents: FAB Defense Glock Polymer Scope Mount FAB Defense TAC-02: Glock Polymer Scope Mount Polymer Black