https://acc.dau.mil/CommunityBrowser...851&lang=en-US

Benefit/Value

Issue: TACOM has become aware of units ordering 30 rd. commercial (i.e. polymer, etc.) magazines for their M4/M16 family of weapons. The M4/M16 Army authorized magazines are the following: NSN 1005-00-561-7200 (improved magazine) and NSN 1005-00-921-5004 (older magazine; use until exhaustion).

Rest of the story at the link. Don't think many people will listen to this until its strictly enforced, there's a lot of us using PMAGS in the army. Ill keep using them and my TangoDown mags until I'm forced to stop.