Contains all the parts you need to complete the innards of an aftermarket slide or refurbish a factory slide to like-new standards. All the parts in our Glock 43/43x/48 Slide Parts Kit are aftermarket parts made to the correct dimensions for proper fit, finish, and function in a factory spec slide. The extractor and firing pin are made from cast 17-4 SS. The extractor depressor plunger and firing pin safety are machined from bar stock. Kit Includes: Extractor Extractor Depressor Plunger Extractor Depressor Plunger Spring Spring -Loaded Bearing Slide Cover Plate Firing Pin Spacer Sleeve Firing Pin Spring Spring Cups Firing P Mfg: Brownells