PMAG D50 Drum Magazine Low-poly 3D model is available on CGTrader for $6. Original author: Akinaro. Specs: 6121 polys, 3156 verts.
BLEND (Blender, filesize: 228 MB), BLEND (Blender, filesize: 228 MB), OBJ (OBJ, filesize: 228 MB), FBX (Autodesk FBX, filesize: 228 MB), DAE (Collada, filesize: 228 MB)