Check out Noir Shotgun Low-poly 3D model on CGTrader for $5. High-quality mesh by charlessmith888: 12867 polys, 6627 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 873 KB), FBX (Autodesk FBX, filesize: 392 KB), BLEND (Blender, filesize: 1.73 MB)