Help identifying gbb ak magazines

[HuttArmouries]

So I got 2 gbb ak mags in a joblot and ive never seen ones with a feed system like this. Googled gbb ak mag and nothing came up like this. Anyone know what they are? 

View attachment 100152

 

[Impulse]

I can't tell you what they are, but I can confirm they are definitely NOT TM mags, since that's the GBBR AK I have and my mags don't look at all like that.

 

[HuttArmouries]

Found a match on evike. They seem to be generation 1 Ghk mags.