This Thompson Center manufactured rear rib screw is also known as the ramrod retaining spring screw and is for the Renegade muzzle loading rifle. This screw is in very good condition with light slot wear. (file photo)
Note: Renegade muzzle loading rifles with the following serial numbers have been observed with this part:
Percussion: 37912, 44287, 107107, 302579 & 306731
Flintlock:
