This Thompson Center manufactured second variation octagon barrel measures 28" long not including the breech plug and is for the percussion Hawken muzzle loading rifle in 50 caliber. This sub-assembly consists of the early variation barrel without the "Hawken" marking and having the rear sight hole spacing 1 1/2" apart (center to center) for the first variation rear sight (sold separately), early variation breech plug with the clean out screw on the right side and the late variation 1 1/16" long barrel lug. The overall condition is very good retaining 95% original blue finish with light wear and a few specks of rust. The bore rates near excellent.  (file photos)

Note: Thompson Center Hawken muzzle loading rifles with the following serial numbers have been observed with this variation barrel:

Percussion: 73609, 111807, 141298 & 239982

Kit in Percussion: K188746

Kit in Percussion (In The White): K145177