Rusty Pipe Revolver inspired by the Fallout game series. This model is super hi res, with a poly count of 208,566, and a verts count of 208,608. The gun is about 6 inches in length and about 3.5 inches tall. The exported OBJ works with Houdini and UE5, but I uploaded the mb file in case you'd like to export a different file version, or adjust any of the details.
OBJ (OBJ, filesize: 190 Bytes), FBX (Autodesk FBX, filesize: 26 MB), MA (Autodesk Maya, filesize: 194 MB), SPP (Substance Painter, filesize: 69.3 MB)