Tag Archives | 31gen4
Glock 31Gen4 Complete OEM Upper Slide Assembly G31 22 31 34 35 Factory 17 Black
Posted on March 15, 2026 | By admin
Complete factory upper slide kit from a. Austrian made with factory black coating. Complete upper includes all OEM made parts; slide barrel recoil spring assembly and all upper internals. Glock completely redesigned for the Gen 4 line so this upper will not work with Gen 1 2 or 3 frames or aftermarket lowers made for them. Compatible with models 17, 22, 31, 34, or 35 from the fourth generation only (slide release doesn’t work with […]