Raven Concealment Systems Copia, Double Magazine Pouch, Ambidextrous, Fits (1) AR-15 Magazine and 1-Double Stack Pistol Magazine, Pistol Pouch is Oriented in Front of Rifle Pouch, Matte Finish, Black COPIAPRBK The Copia magazine carriers are premium, duty-grade, injection-molded magazine carriers designed for hard-use, daily concealed carry. Their innovative cavity design and retention system allows them to be used ambidextrously with the double-stack magazines of nearly 100 different handgun models chambered in 9/40/357 and AR-15/M4 style magazines.