This Colt manufactured breech bolt is for the medium frame Lightning slide action centerfire rifle in 38-40 or 44-40 caliber and is in very good condition exhibiting a brownish gray patina with honest wear and possibly a few specks of pin prick pitting. (file photo)

Note: Colt medium frame Lightning slide action centerfire rifles with the following serial numbers have been observed with this part:

38-40: 27311

44-40: 28897