Funny part was 1 or 2 of my deaths was buy that guy.
The MP5SD even with the Mag B it runs out too fast. It feels faster than the versek. I normally don't use it in a demo match but I just tried it there.
Here is my rank and compare it to his*:
And here is a extra telling everyone in the room to buy the MP5SD*
* Name blurred out for my own privacy, don't want to gain anymore haters.