Just bought this capegun as a future project. Thinking about turning it into a double rifle. The ribs are already there with sights which will save some work and look like it was made that way. It's a 16ga and 11mm something. For $200 I thought it would do the job.

A J.P. SAUER & SOHN (SUHL) 16-BORE / 11MM BOXLOCK NON-EJECTOR CAPE RIFLE, serial no. 109602