Desert Tech QTR-MG-B53 Quadmag53 5.56/.223 53rd Quattro-15 MagazineThe QUATTRO-15 Magazine is a high-capacity, quad-stack magazine designed to hold 53 rounds. This configuration allows users to carry more ammunition with fewer magazines. For instance, four QUATTRO-15 magazines can hold 212 rounds, while seven standard magazines would only hold 210 rounds. The Desert Tech QTR-MG-B53 magazine is engineered for reliability, using a single follower and a single spring design to address common issues with quad-stack magazines, ensuring smooth feeding and dependable performance. Desert Tech Quadmag53 5.56/.223 53rd Quattro-15 Magazine QTR-MG-B53