Zastava M70 O-PAP Side Folding Stock?

I am looking at the Zastava M70 O-PAP Rifle at J&G Sales and although I like the washed wood stock, I really love those East German Sidefolders :

I am not sure whether the trunnion is a normal AKM trunnion or if it's a bulged/RPK style trunnion. If it's a normal AKM trunnion I'm good to go, but if it's a bulged or RPK style trunnion, how can I mount a german sidefolder to her?

Thanks,

John