This Thompson Center manufactured first variation rear sight sub-assembly is for the earlier Hawken muzzle loading rifle which uses the first variation rear sight base and is in very good condition exhibiting a thinning original blue finish blending with a brown patina and having light wear and a few specks of surface rust. (file photo)

Note: Hawken muzzle loading rifles with the following serial numbers have been observed with this part:

Percussion: 111807, 130609 & 239982

Flintlock: 11555

Kit in Percussion: K145177 & K188746

Kit in Flintlock: K80324