Back by popular demand, for good this time, is the pink sprinkle donut mag! If you missed it last October when we launched it in the special edition program, don't worry, your time is now.The Amend2® 30 round magazine is a sturdy, reliable 5.56x45 NATO (.223 Remington) AR15/M4/M16 magazine made of an advanced polymer material. It is a light, durable and excellent alternative to the standard M4/M16 USGI aluminum magazine..