The Magpul PMAG D-60 Drum Magazine doubles the standard AR-15 magazine capacity. Magpul's PMAG D-60 AR-15 drum magazine is the first version of a 60-round 5.56x45mm NATO (.223 Remington) AR-15/M4-compatible drum magazine. In addition to doubling the standard AR-15 magazine capacity for dense firing capability the Magpul D-60 magazine features a ratchet loading lever for effortless loading and can seat fully-loaded on a closed bolt. This unique drum configuration is compact for convenient storage and easily disassembled for service.