These parts are a great replacement for your worn out slide parts or a new build. Firing Pin Safety & Spring (00077).Extractor Depressor Plunger Spring (33522). Firing Pin Spring Cups (00070). The item "Brand New GLOCK OEM Upper Slide Parts Kit For Glock Gen1-3 G17,24,34" is in sale since Saturday, July 25, 2020. This item is in the category "Sporting Goods\Hunting\Gun Parts\Pistol". The seller is "gtgear14" and is located in San Mateo, California. This item can be shipped to United States.