Here is MAC shooting the CMMG Banshee (latest version of the Guard)

https://www.youtube.com/watch?v=l4KRK529pT0&t=349s

And here is another guy who gives a good explanation of how it works:
https://www.youtube.com/watch?v=ys99FLJFlHQ&t=710s

As you can see, it's a good looking weapon.

Wish I had a .45 ACP version in Bazooka Green finish