Hmm... from what I have used and didn't sell:

SY: 1311, 711, 411

SR: Rucki, KDSH, Rat Warden

Busse: AK47, B9, Meaner HACK

It is really hard to choose between the AK/Ruck & the B9/B8, and Meaner HACK/B4 Anorexic but I suppose I listed it how I would have to choose based off of most used/carried.