Developed specifically forthe model 43, 43X, and 48Does not work with any other Glock models The G43 Carry Trigger System is a great improvement over the stock trigger. It is available in (RP) Reduced pre-travel or (ST) Stock travel configurations. Expect a nice wall, clean break, and positive reset. All spring weights are OEM for ignition reliability and to ensure proper function. Made with 100% factory parts. Includes: Grooved Trigger w/ Trigger Bar / OEM polished / available with Reduced Pre-Travel (RP) or Stock Travel (ST) Trigger Housing w/ Ejector and trigger spring / OEM polished 'Minus' connector / OEM polished Firing Pin spring / OEM polished Firing Pin safety with spring / OEM polished Spring cups / OEM