cal: .36, 6-shot, barrel: 7.5", sn: 132361, from Mr. Davis's records: mismatched Frame, cylinder, and trigger guard #132361 Barrel and Rammer #92532, manufactured frame barrel and rammer 1859, Someone added better sights on the pistol. I was told that it had belonged to a Crawford county sheriff. I purchased this at a yard sale in Crawford Co. in June, 2003. I paid $825 for this pistol, NOTE: no transfer fee applies Pre 1898