Glock Factory Large Frame Gen 3 Upper Parts Kit - 20SF/21SF

***DOES NOT WORK WITH GEN 5 MODELS***

Each Large Frame Complete Upper Parts Kit includes the following Glock Factory Parts:
• Firing Pin & Spring
• Firing Pin Spacer Sleeve
• Spring Cups
• Glock Firing Pin Channel Liner
• Safety Plunger & Spring
• Complete Extractor with LCI
• Extractor Depressor Plunger & Spring
• Spring Loaded Bearing for LCI
• Slide Cover Plate
• Gen3 Recoil Spring and Guide Rod Assembly
• Polymer Front and Rear Sight

Please Note: The Complete Upper Parts Kit does not include a barrel.