Thompson Center Hawken Percussion .50 Cal Muzzleloader, 29 in Octagon Barrel, Double-Set Trigger, Walnut Half-Stock, Factory-Engraved Lock
This Thompson Center Hawken percussion rifle stands out with its .50 caliber octagon barrel, classic half-stock walnut furniture with brass trim, and factory scroll engraving on the lockplate and hammer. Made in the United States, it features a 1:48 twist, double-set adjustable triggers, and open iron sights, combining traditional styling with well-known T/C build quality.
Condition
Overall Condition: Good condition, showing some 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: There is some pitting and wear present.
What’s Included
- Thompson Center Hawken .50 caliber percussion muzzleloader rifle
The 29-inch octagonal barrel features a full-length under-rib, hooked breech, and ramrod pipes, with a 1:48 twist suited to a wide range of traditional .50 caliber projectiles. The top flat is marked "THOMPSON | CENTER ARMS ROCHESTER, NEW HAMPSHIRE CAL 50."
The walnut half-stock includes a left-side cheekpiece and classic brass hardware: patchbox, crescent buttplate, trigger guard, nose cap, and ramrod pipes. The length of pull measures 14.5 inches, offering a traditional shoulder fit.
This single-shot percussion caplock uses an external hammer and employs double-set, adjustable triggers that allow a crisp, tuned release. Sighting is via open irons with a dovetailed front blade and an adjustable rear leaf.
The rifle features a blued barrel with color case-hardened lockplate and hammer and shows factory scroll engraving on the lockplate and hammer, adding period-inspired detail. It is a reproduction muzzleloader with a capacity of one round and United States manufacture.

