Buy ETS AR1530C AR-15 Magazine w/Integrated Coupler .223 REM/5.56 NATO 30 rd Polymer Transluc online. The ETS Group AR15 Replacement Magazine is a standard 30-round magazine designed for the AR15 platform. It is made of advanced translucent polymer so you can see your rounds. It has a clip-on dust cover to keep dirt and debris out during storage. It features fast and easy disassembly for maintenance without tools via the specially-designed floorplate. The floorplate also provides excellent grip when pulling the magazine from the pouch. The magazine itself has superior grip thanks to the specially-designed grip ribs.