This Thompson Center manufactured third variation .478" high front sight is for the Black Diamond in-line muzzle loading rifle and is in very good condition with light wear. The mounting screw is sold separately. (file photo)

Note: Thompson Center Black Diamond muzzle loader rifles with the following serial numbers have been observed with this front sight:

Blue Finished Black Diamond: 52894, 58444, 58629, 60939 & 90912

Blue Finished Black Diamond XR:  R30285

Blue Finished Black Diamond Super 45 XR: R12322

Stainless Steel Black Diamond: S27571 & S37202