ProMag DRMA10 Standard 50rd Drum 9mm Luger Fits Colt Carbine/SMG Black DuPont Zytel Polymer

This replacement or spare magazine is compatible with your AR-15 SMG, Colt Carbine. It is constructed of DuPont Zytel polymer with injection molded mag follower and mag spring formed from chrome silicone wire. Made in the USA.