Shop › APEX POLY AEK FOR GLOCK GEN 3/4 BLK APEX POLY AEK FOR GLOCK GEN 3/4 BLK $90.00 Apex Tactical Specialties Polymer AEK, Action Enhancement Kit, Fits Glock Gen 3/4 Standard Frame, Black 102-P115 Quantity: Add To Cart Added! Apex Tactical Specialties Polymer AEK, Action Enhancement Kit, Fits Glock Gen 3/4 Standard Frame, Black 102-P115