Shop › APEX POLY AEK FOR GLOCK GEN 3/4 FDE APEX POLY AEK FOR GLOCK GEN 3/4 FDE $90.00 Apex Tactical Specialties Polymer AEK, Action Enhancement Kit, Fits Glock Gen 3/4 Standard Frame, Flat Dark Earth 102-P145 Quantity: Add To Cart Added! Apex Tactical Specialties Polymer AEK, Action Enhancement Kit, Fits Glock Gen 3/4 Standard Frame, Flat Dark Earth 102-P145