Where to get these newer more powerful weapons?

General Discussion
1

I need to find out where and how to get these new and more powerful weapons. Thanks!

2

The heavy weapons pack DLC weapons?
You get them in your favorite store: Steam, Xbox or playstation.

Buy the DLC and then you find a 3c Version of each in your plundra and other levels in loot of dead machines.

3

Thanks a lot Madchaser