The hexid color identification system is based on the principle that color is the simplest way to mark your magazines.It is the ideal complement for three gun competitions, proper storage, law enforcement officers and anyone who uses more than one brand of ammunition or multiple caliber rifles.Caliber: MultipleCapacity: N/AFinish: YellowModel: HexIDMaterial: PolymerType: FollowerModel Fit: Hexmag MagazinesBrand Fit: HexmagCapacity: 0