This Lone Wolf Slide Completion Kit includes all of the parts to completely assemble a bare Glock slide (with the exception of barrel, recoil spring assembly and sights). Does not fit Gen5 or G43/43x/48. IncludesFiring Pin SafetySpring Load Bearing LCIFiring Pin Safety SpringFiring PinExtractor Depressor Plunger SpringChannel Liner (all models)Spacer SleeveFiring Pin SpringExtractor LCIFiring Pin Spring Cup - MarineUnlined Slide Cover Plate - BlackExtractor Depressor Plunger