Here is a short video of the magazines in a few of my aeg's. I wasn't sure how it would feed in one of my high ROF guns but it performed amazing well. No mis-firing at all. The magazine locked into the magwell perfect in all guns, no excessive wobble or anything like that, over all a good fit.
However, the spring in the magazine did lock up one time, I think this may be due to overloading the magazine, but when I was filling it up as soon as I felt resistance I stopped loading, so it was not a case of gross over filling the magazine...maybe 1 or 2 bb's too many. Also, I'm sure a quick lub