You can't because it has no programming that I know of

Ohh so then how to use any of the community items?

引用自 DemonX：

Ohh so then how to use any of the community items?

some community items have a mod download link and it replaces a items in the game as a skin like a long barrel force a nature, you install it put the files in the right place and when you open the game you equip the force a nature and the model will be replaced with the model of the weapon you downloaded but it will work similar with the original item