Check out Double Barrel Shotgun Low-poly 3D model on CGTrader for $25. High-quality Polygon mesh mesh by 5555nkt: 2223 polys, 1250 vertices. PBR, Textured, UV Mapped.
BLEND (Blender, filesize: 749 KB), OBJ (OBJ, filesize: 181 KB), FBX (Autodesk FBX, filesize: 104 KB), 3DS (3D Studio, filesize: 56.4 KB), ABC (Alembic, filesize: 168 KB), DAE (Collada, filesize: 298 KB), TEXTURES (Textures, filesize: 3.2 MB)