The Magpul PMAG D-60 is a 60-round drum magazine for AR-15/M4 rifles in 5.56x45mm NATO / .223 Remington, doubling the capacity of a standard drum while feeding with PMAG reliability. A built-in round-count window, ring-pulled easy-loading system, and impact-resistant polymer construction make it a range-day favorite that loads fast and runs hard. Black.