Check out DEFENDER OF FAITH - Flintlock Katar Low-poly 3D model on CGTrader for $11. High-quality mesh by don-falcone: 5398 polys, 2997 vertices. PBR, Textured.
OBJ (OBJ, filesize: 209 KB), TEXTURES (Textures, filesize: 565 MB), FBX (Autodesk FBX, filesize: 396 KB)