Smith saddle ring Civil war cavalry saddle ring carbine, .50 cal., s.s, 21 1/2" part oct., part round barrel. Manufactured by Mass. Arms Co., Chicupee Falls, Poultney & Trimble, Baltimore, USA. Exceptionally fine example of a very rare Federal cavalry carbine. 95% case on receiver, 95+% bluing on barrel, bore looks about 100%, looks unfired. Mechanically excellent +, screws about perfect. Action locks up as new. Wood is excellent with small sliver missing on left side of hand guard.