Ah Nvm i see where the problem, when you upload content to steam via SED, item receive its own ID, because of that, my addon had lower priority than offcial CWM Databases, which means there is no way to make it work unless to repack the entire CWM, because of that you won,t see my guns. Still i have a solution, you can download necessary files here https://disk.yandex.ru/d/XtRrHVA0yAlU-A , then
go to the game folder and put my GRO to the path Content/SeriousSam2017 That way it works. Sucks a lot i know, i didn,t expect that either, But right now i don,t have better solution. If Link doesn,t work i can upload it to the different repository. If you face same problem guns not showing up, use my Link Above.

Hello, it's me from last time. I was just testing your script but nothing shows up. I downloaded everything you have recommended including the original Halo weapons by Pan. Nothing. I will check for anything I probably missed.