$35 Tristar Compact Tactical Shotgun Low Poly Low-poly 3D model by brightto94. Available on CGTrader with 2282 polys and 2210 vertices. Check it out on CGHub.
OBJ (OBJ, filesize: 70.9 MB), JPG (JPG, filesize: 70.9 MB), FBX (Autodesk FBX, filesize: 70.9 MB), PNG (PNG, filesize: 70.9 MB)