This Thompson Center manufactured first variation lock plate is for the percussion Hawken muzzle loading rifle which uses the first variation sear and a sear screw and is in very good condition exhibiting a grayish brown patina with some original case colors remaining. (file photo)
Note: Thompson Center Hawken muzzle loading rifles with the following serial numbers have been observed with this part:
Percussion: 73609, 111807 & 130609
Kit in Percussion: