Shop › PROMAG FN SCAR 17 308 50RD DRUM BLK PROMAG FN SCAR 17 308 50RD DRUM BLK $134.99 ProMag Industries Magazine, 308 Winchester, 50 Round Drum, Fits SCAR 17, Polymer, Black DRM-A41 Quantity: Add To Cart Added! ProMag Industries Magazine, 308 Winchester, 50 Round Drum, Fits SCAR 17, Polymer, Black DRM-A41