This Thompson Center manufactured Allen hex head blue finished thimble screw is for the Thunder Hawk in-line muzzle loader and is in near excellent condition with light wear. (file photo)

Note: Thompson Center Thunder Hawk muzzle loading carbines and rifles with the following serial numbers have been observed with this part:

Blue Finished Thunder Hawks: 22463, 24251 & 30115

Blue Finished Thunder Hawk Shadows: 17329

Stainless Steel Thunder Hawks: S1153, S2675, S3635 & S25958

Stainless Steel Thunder Hawk Shadows: