$39 KP31 Submachine Gun Low-poly 3D model by luchadordev. Available on CGTrader with 22328 polys and 12048 vertices. Check it out on CGHub.
MAX (Autodesk 3ds Max, filesize: 93.6 MB), OBJ (OBJ, filesize: 187 MB), FBX (Autodesk FBX, filesize: 93.6 MB), TEXTURES (Textures, filesize: 179 MB), SPP (Substance Painter, filesize: 1.14 GB), TBSCENE (Marmoset Toolbag, filesize: 93.6 MB)