AK mags for ARs looks (is) as wrong as AR mags in AKs.
The Magpul AK mags look kinda funky, too. Wish someone would make a copy of the TAPCO AK mags (real steel), which look a lot more what I'd expect a Magpul AK mag to look like (think PMag).
Actually here's a pic
comes in '74 flavor, too