Originally Posted by Mr.Smith
Looks like they're getting pretty close to finished!
They've made two different kinds: The "economy" version, and the large mags. The smaller ones require you to flip the mag after 8 shots, and the larger ones are continuous to 20. Both are FS compatible
Also some cool features added in, more info here.
For those lazy ones, here's an embedded video:
yeah saw that, wow way to steal APS mags concept.