Thompson/Center White Mountain Carbine .54 Caliber Side-Lock Percussion Rifle, 21-Inch Camouflage-Wrapped Barrel
Thompson/Center’s White Mountain Carbine delivers the fast-handling feel of a traditional muzzleloader in a compact, woods-ready package. This .54 caliber, U.S.-made rifle pairs a 21-inch stepped octagon-to-round barrel with a lightweight walnut stock and factory scroll-engraved, color-case-hardened lockplate. A professionally applied woodland camouflage film wrap on the barrel sets this example apart, giving hunters practical concealment and collectors a distinctive factory-custom look.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent – Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent – Sharp lands and grooves.
Specific Condition Notes: Minimal handling marks are present, and there is light rust on the ramrod.
What’s Included
- Thompson/Center White Mountain Carbine rifle
- 3/8" x 21-5/8" brown ramrod
This carbine was introduced in 1989 and discontinued in the late 1990s, placing this piece firmly within that sought-after production window. Weighing approximately 6.5 pounds and measuring just 38 inches overall, it balances quickly for snap shots in dense cover.
The 21-inch forged steel barrel features a 1:48 twist suitable for the .54 caliber’s wide range of projectile weights. Its stepped octagon-to-round profile trims weight while maintaining rigidity.
A color-case-hardened lockplate with factory scroll engraving adds both visual appeal and durability. The side-lock percussion action is paired with a crisp single trigger and an external hammer for classic operation.
The straight-grip walnut stock wears a satin oil finish, sling swivel studs, and a Thompson/Center-logo rubber recoil pad for comfortable shooting. Iron sights consist of a ramped blade front and an adjustable semi-buckhorn rear, giving solid sight pictures right out of the box.