Quick view Apex Tactical Specialties Apex Polymer Action Enhancement Trigger Kit for Glock Gen 3 / 4 ~ 3 Colors MSRP: $90.00 Apex Polymer Action Enhancement Trigger Kit for Glock Gen 3 / 4 The Apex Action Enhancement Kit for standard frame Gen 3 and Gen 4 Glock pistols is a direct drop-in replacement of the factory polymer... Choose Options Add to Wish List