Quote Originally Posted by HBARleatherneck View Post
i love usgi mags. more than plastic ones. i do like the magpul followers in my usgi mags though. we know the shelf life of usgi mags is 50 years plus. who knows how long before the plastic ones start breaking down? i dont mean from use, I mean from sitting. maybe forever, maybe not.
I would imagine that it would break down long before aluminum breaks down whatever the timeline.