Check out Silencer rifle Low-poly 3D model on CGTrader for $5. High-quality mesh by Kerj-3D: 1008 polys, 506 vertices. PBR, Textured, UV Mapped.
BLEND (Blender, filesize: 1.31 MB), OBJ (OBJ, filesize: 50.2 KB), FBX (Autodesk FBX, filesize: 50.2 KB), TEXTURES (Textures, filesize: 10.1 MB)