What's included:
-Glock OEM 23 Gen 3 Complete Slide
-OEM Barrel
-OEM Recoil Spring Assembly
-OEM Extractor
-OEM Firing Pin Safety
-OEM Depressor Plunger Assembly
-OEM Firing Pin Assembly
-OEM Rear Slide Plate
-Channel Liner
-OEM Sights
Frame Compatibility: 
Glock 19 Gen 3 / Glock 23 Gen 3