Check out Pistol using a rifle ammo Low-poly 3D model on CGTrader for $10. High-quality mesh by filinfox48. PBR, Textured.
OBJ (OBJ, filesize: 136 KB), FBX (Autodesk FBX, filesize: 147 KB), TEXTURES (Textures, filesize: 8.39 MB), BLEND (Blender, filesize: 22.5 MB), SPP (Substance Painter, filesize: 142 MB)