Thompson/Center Hawken .54 Percussion Muzzleloader Kit, 28 in Octagonal Barrel, Unassembled, In-the-White, Discontinued Model
This Thompson/Center Hawken .54 caliber percussion muzzleloader kit is an unassembled, discontinued traditional model made in Rochester, New Hampshire, USA. It features a 28 in octagonal carbon steel barrel with a hooked breech and percussion snail, an in-the-white metal finish, and an unfinished half-stock with brass furniture. The front blade sight is installed and no rear sight is fitted. It comes in the original Thompson/Center KITS box, and the parts bags are sealed.
Condition
Overall Condition: Fair condition, showing extensive signs of prior use and handling.
Bore Condition: Fair - Generally clean, some residue or smudges, slight corrosion.
Bore Rifling: Fair Rifling - Worn rifling, slight loss of definition.
Specific Condition Notes: The barrel shows pitting and areas of rust. Scratches and blemishes are visible on the rifle's components.
What's Included
- Barrel: .54 caliber octagonal Thompson/Center Hawken barrel with hooked breech, percussion snail, and front sight blade installed (unfinished)
- Stock: Unfinished pre-inletted half-stock with right-side brass patchbox, brass crescent buttplate, brass nose cap, and cheekpiece installed
- Ramrod: Wooden ramrod blank
- Box: Original Thompson/Center KITS box
The Hawken kit represents Thompson/Center's classic American muzzleloader design in a powerful .54 caliber. As a discontinued traditional model, it offers a desirable platform for enthusiasts who prefer period-style features and the satisfaction of a hands-on build.
The barrel is an octagonal carbon steel tube with a hooked breech and percussion snail/nipple seat, delivered in-the-white for final finishing by the builder. A front blade sight is installed, and there is no rear sight installed. The front sight dovetail is present.
The unfinished hardwood half-stock includes a left-side cheekpiece and is fitted with brass furniture, including a fish-profile patchbox on the right, a brass crescent buttplate, and a brass nose cap. These elements reflect the traditional Hawken aesthetic.
Designed for a percussion caplock, single-shot configuration with a double-set trigger layout, this kit comes in the original Thompson/Center KITS box, and the parts bags are sealed. It was manufactured in Rochester, New Hampshire, USA.

