This Thompson Center manufactured blue finished hole plug screw is for the late manufactured Renegade Hunter muzzle loading rifle manufactured in 1990 or later which has a small hole next to the nipple on the top section of the breech plug (rear most portion of the barrel). This screw is in very good condition with light slot wear. (file photo)

Note: Thompson Center Renegade Hunter muzzle loading rifles with the following serial numbers have been observed with this part:

50 Caliber Percussion:

54 Caliber Percussion: 344487 & 359064