UPDATE:
Well after apparently getting lost in transit, Sportsman Guide rushed me out a new one and I received it yesterday.
The loader looks to be very well made. Nice, think, hardy polymer construction. Functions just like its advertised; you just slip it over the mag, fill it up with loose (or stripper-clipped) rounds, and plunge. You can fill up mags as fast as you can fill the loader.
The silly thing didn’t come with instructions though, and even though its operation might seem straight forward there is one critical thing that must be known......you must already have at last one round in the magazine for it to work. So you have to pop one in by hand first, and then use the loader. I (and my tile floor) learned that lesson the hard way.....I was pushing like a monkey wondering why it was require so much pressure and suddenly the magazine goes flying and 30 rounds fall and scatter on the floor. All of that drama because I didn’t know I had to have one round already in the mag.
Anyway, to connect the mag to the loader all you have to do in insert the mag in the same rocking fashion as you do when you engage a mag into any ak.
So all in all, the loader works great. It’s inexpensive, fast, and makes the coolest sound when you plunge 30 rounds.
Oh and just so you know, I only have steel mags (bulgie and chinese). I don’t know if it will work on polymer waffle mags or not. I can’t imagine why not, but I don’t know.