Gun Model Help!

[Guu]

I’ve been preparing my third character and I need help recognizing some gun models. I know the general group names of guns and I know the model of her main weapon, but coming blank in the models of the others. I think they are all based on real guns... anyways, just need the models so I can look up info for moves.

1. Some sort of rifle:

2. Some sort of pump shotgun:

3. Uhhhh...