This flush fit replacement or spare magazine is compatible with your AR-15. It is constructed of heat treated steel with injection molded mag follower and mag spring formed from chrome silicone wire. Made in the USA.
ProMag RM30FDE Standard 30rd Detachable w/Roller Follower 5.56x45mm Fits AR-15 Flat Dark Earth DuPont Zytel Polymer
$13.00