Any bugs you encounter can be reported in the bug section:
For a bug such as this i would recommend recording one of the instances where you were missing your weapons so that people can see what exactly is happening.
There’s also a few guidelines when it comes to reporting bugs, if you want to read the guidelines then you can find them here:
You don’t have to read them as they aren’t mandatory, but it does contain info on what a proper bug report would look like.