Originally Posted by lurkingknight
The other weapon you aren't considering for cqb, which I think you should cause it looks awesome, is the HK UMP... G&G makes it, they call it the UMG. The mags use the same pouches (or similar length) to the p90 mags though.
I have a MP5, a UMP, and a REALLY cheap p90 I bought for the stuff it came with, and no the UMP mags WILL NOT fit into MP5 pouches, or even M4 pouches. But the P90 and UMP mags will fit in the same pouch.