Fast PKM Pouch "Block-100"
This pouch created by Stich-Profi company. Main plus of this pouch, that it's analog of Fast AK pouch.
It consist from two parts. First one - base with veclro panel, that can be placed on MOLLE. Second - most interesting part. It's cover for PKM 100 round pouch. Bug it also have velcro panel.
So, everything what you need to change PKM mag - detach cover from base and place it to your Machinegun. You can also quick give additional mag for your friend. This pouch speeds up reloading on 20-30%.