$25 Stylized Weapon Set Low-poly 3D model by ema-suckrova. Available on CGTrader with 4620 polys and 2456 vertices. Check it out on CGHub.
STL (Stereolithography, filesize: 284 MB), OBJ (OBJ, filesize: 284 MB), FBX (Autodesk FBX, filesize: 142 MB), SPP (Substance Painter, filesize: 284 MB), BLEND (Blender, filesize: 142 MB)