Handmade Shotgun Low-poly 3D model is available on CGTrader for $7. Original author: alimjan. Specs: 13156 polys, 7419 verts.
BLEND (Blender, filesize: 2.51 MB), OBJ (OBJ, filesize: 1.19 MB), FBX (Autodesk FBX, filesize: 644 KB), GLTF (glTF, filesize: 42.7 MB), STL (Stereolithography, filesize: 642 KB), DAE (Collada, filesize: 1.96 MB), TEXTURES (Textures, filesize: 36.7 MB)