This is a Lutie submachine gun, lowpoly model. That model are triangulated already. Model with:41 object1,984 verts5,908 edges3.944 faces3.944 triangles
All the objects are named correctly.
OBJ (OBJ, filesize: 256 KB), FBX (Autodesk FBX, filesize: 224 KB), BLEND (Blender, filesize: 1.39 MB)