In Reversal, Army Bans High-Performance Rifle Mags

Does anyone insider info on this message/decision?

http://www.military.com/daily-news/2012/05/25/in-reversal-army-bans-high-performance-rifle-mags.html

https://www.m4carbine.net/showthread.php?t=104826

I believe there is already a huge thread on this topic

As stated in the other thread, this is just a re statement of TACOMs policy of the last 5 years.