Ok, I just got this vest and it works good!
For me, the mags don't lean forward at all, it depends on how tall or short you are though, cause you have to adjust the shoulder velcro straps. So ya, it looks great so far.
I had two problems though. The adjustable mag pouches, when I adjust them, they're at the very limit and aren't 100% secure with the mags in there, but still hold them well with a lot of movement.
Also, the holes on the bottom of each mag pouch, they don't seem to be well made, and are quite sharp inside. The first game I used the vest at, I scratched the bottoms of my mags quite a bit, and wondered why, then found out it was the vest. To fix that, I just took out the metal pieces with plyers and I took a lighter and burned the edges of where the holes used to be to prevent frailing. Doesn't look as good, but I'd rather have it this way than to scratch my mags continuously.
Not the best picture, but I can be seen wearing it
here. I'm the only guy with a balaclava on btw.
Oh, and one more thing, I don't suggest carrying any mags in the pouches that are closest to the sides, just use the 4 that are closest to your chest. It's not comfortable at all to carry mags in the sides, I suggest using them as an alternative utility pouch.