Made in the usa, the magpul pmag d-50 is a rugged, lightweight, and reliable 50-round polymer drum magazine designed for 7.62x51 nato/.308 winchester ammunition for sr25/m110 pattern rifles.The magpul pmag d-50 shares its dna with the legendary magpul pmag gen m3, which includes next-generation impact and crush-resistant polymer construction and the ability to seat fully loaded on a closed bolt.Robust stainless-steel internals withstand corrosion and long-term storage while loaded with no loss of function, spring fatigue, or reliability concerns.A slip-on semi-rigid dust cover prevents grit and debris intrusion during storage and transport.An anti-glare translucent window on the rear of the drum makes for quick positive visual indication of remaining ammunition.Caliber: 308 WinCapacity: 50rdFinish: BlackModel: PMAGMaterial: PolymerModel Fit: AR-10,M110,SR25Capacity: 50