TMC15 - Tactical Mag Can for 223, 5.56 MAG, holds 15 30-rd mag.
MTM Case-Gard - Tactical Mag Can -for 10 (30 Rd) AR Mags & 10 (double stacked) Handgun mags-Black #MTM TMCLE
x20 AR15 Magazine (.223/5.56) Water-Resistant Box with Accessory Compartment - Case Club
x50 AR15 30rd P-Mag Case - Case Club
AR-15 Mag Holder | SCHEELS.com
x20 AR15 Magazine (.223/5.56) Water-Resistant Box with Accessory Compartment - Case Club
Amazon.com: Case Club 15 AR15 (5.56/.223) Magazine & 10 Single Stack or Double Stack Pistol Magazine Case, with Extra Storage Compartment : Sports & Outdoors
Amazon.com : Case Club 30 AR-15 (5.56/.223) Magazine Waterproof Storage Case : Sports & Outdoors