he Magpul PMAG D-50 is a rugged, lightweight 50-round polymer drum magazine designed for 7.62x51 NATO/.308 Winchester ammunition for SR25/M110 pattern rifles. It's capable of using longer-than-SAAMl-spec match ammunition. up to 2.830" OAL, such as M118LR.
The continuous top rail allows you to mount iron sights, optics and any other accessories without additional rail sections. The Magpul M-Lok system allows users to customize the handguard with rail sections and direct mount accessories.