KCI USA Lower Parts Kit Glock 43. Specifications for KCI USA Glock 43 Lower Parts Kit: Manufacturer: KCI USA Color: Black Condition: New Finish: Black Handle Color: Black Package Contents: KCI USA Glock 43 Lower Parts Kit Trigger w/ Trigger Bar Trigger Housing w/ Ejector Pre-Installed Trigger Spring Connector Slide Stop Release Slide Stop Release Spring Magazine Release Magazine Release Spring Slide Lock Slide Lock Spring Trigger Housing Pin Trigger Pin KCI USA CDIP-003943: Lower Parts Kit Glock 43