So you all know by now that all those weapons from the crates are just custom skins made to look good. If you don`t want / can`t spent money on them, there is no problem, you can have fun with them on L4D2.
Browse the following Workshop items and pick a gun for you apocalypse amusement:
[You must be registered and logged in to see this link.] REMEMBER: these skins are available only for YOU (on your L4D2 only game) and not generally available.