I assume that also means Glock AR mags. So all my AR's will now take Glock mags.
If they sell it on the civilian side, there WILL be a market. Not sure I want one, but plenty of people will. Mrgunsngear liked the features.
I saw one comment: "I will get one. Then years later I will get a Gen 5 that is mostly the same and I will be happy."