Magpul FAIL

[sigstroker]

The rear of them, at the top, between the feed lips on the seam, tends to develop a small crack with time. I've had it happen to a bunch of them. So far, I haven't seen it affect function while in the rifle but it lets the feed lips pull apart a tiny bit and the top round can pop out much easier with impacts such as when dropped or tapped against things. They're a wear item and Magpul has replaced dozens of them with this crack at no charge to me, so no big deal. Part of occasional cleaning and inspection should be magazines as well as sights, batteries, extractor and ejector, etc. Simple maintenance and simple solution to a common small problem.

I see. I'll stick with aluminum.