Check out LowPoly Cartoon Sci-Fi Sniper Rifle Future Low-poly 3D model get 3D model on CGTrader for $35. High-quality mesh by OlegShuldiakov: 323 polys, 435 vertices. Textured, UV Mapped.
MAX (Autodesk 3ds Max, filesize: 492 KB), FBX (Autodesk FBX, filesize: 492 KB)