This Thompson Center manufactured late variation (longer) lock plate screw is for the Hawken muzzle loading rifle in 45 or 50 caliber which uses the 2nd or 3rd variation lock plate screw bushings. This screw measures just under 1 5/8" long and is in very good condition with light wear. (file photo)

Note: Thompson Center Hawken muzzle loading rifles in 45 and 50 caliber with the following serial numbers have been observed with this part:

Percussion: 73609, 111807, 112199, 368920, 437565, 443697, 457004 & 489495

Flintlock: 11555

Kit in Percussion: K145177 & K188746

Kit in Flintlock: