PBR Henry Rifle 1860 Low-poly 3D model is available on CGTrader for $34. Original author: steffe-engdahl. Specs: 11218 polys, 6053 verts.
OBJ (OBJ, filesize: 1.57 MB), MA (Autodesk Maya, filesize: 905 KB), DAE (Collada, filesize: 1.38 MB), FBX (Autodesk FBX, filesize: 1.37 MB)