$7 Handgun Low-poly 3D model buy 3D model by AssetDude. Available on CGTrader with 968 polys and 1055 vertices. Check it out on CGHub.
OBJ (OBJ, filesize: 142 KB), FBX (Autodesk FBX, filesize: 138 KB), GLTF (glTF, filesize: 14.9 MB), UASSET (UnrealEngine, filesize: 434 KB)