What's included:
-Glock OEM 17 Gen 5 MOS 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
-MOS Adapter Plate
Frame Compatibility: 
Glock 17 Gen 5 / Glock 34 Gen 5