https://thompsoncenterbarrel.com Wed, 13 May 2026 18:31:39 +0000 en-US hourly 1 https://wordpress.org/?v=4.1.1 https://thompsoncenterbarrel.com/2025/05/thompson-center-seneca-black-powder-muzzleloader-barrel-tang-very-good-used/ https://thompsoncenterbarrel.com/2025/05/thompson-center-seneca-black-powder-muzzleloader-barrel-tang-very-good-used/#comments Sat, 24 May 2025 12:23:41 +0000 https://thompsoncenterbarrel.com/2025/05/thompson-center-seneca-black-powder-muzzleloader-barrel-tang-very-good-used/ [ Read On… ] ]]>









THOMPSON CENTER SENECA BLACK POWDER MUZZLELOADER BARREL TANG WITH SCREWS, VERY GOOD USED CONDITION. THIS BARREL TANG IS FROM A EARLY UNMARKED SENECA. Please ask any questions you may have or for more pictures as needed. Others possible upon pre approval. IT SHALL BE THE BUYERS RESPONSIBILITY TO HAVE A COMPETENT GUNSMITH INSTALL, INSPECT AND APPROVE PARTS AND FIREARM AS SAFE BEFORE USING.

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Very nice working condition, hammer has strong case color, the lock plate is faded. Operates correctly, and looks to have seen minimal use.

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Another option for this barrel would be to install a. 32 Caliber barrel liner and use in the ongoing battle with squirrels that are attempting to take over the Planet. Ok just my thoughts.

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Thompson Center SENECA 36 cal factory barrel NICE! Much better condition than some of the barrels I seen but not perfect by any means see photos. The item “Thompson Center SENECA 36 cal factory barrel NICE! HARD TO FIND! 13/16″ is in sale since Wednesday, October 6, 2021. This item is in the category “Sporting Goods\Hunting\Vintage Hunting\Black Powder”. The seller is “hunterzvintage” and is located in Huntertown, Indiana. This item can be shipped to United States.

• Brand: Thompson/Center Arms
• Gun Type: Rifle
• Custom Bundle: No
• Load Type: Muzzleloader
• Country/Region of Manufacture: United States
• Modified Item: No
• Vintage: Yes

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45 cal for Thompson Center Seneca. Rare, hard to find barrel. This barrel is in good shape but has been dove tailed for rear sight. Barrel is 13/16 across the flats. Also has an over sized nipple, bore is good and bluing is fair. Please pay within 3 days or contact me. The item “Rare 45 cal barrel for Thompson Center Seneca, blued” is in sale since Monday, May 17, 2021. This item is in the category “Sporting Goods\Hunting\Vintage Hunting\Black Powder”. The seller is “dp_treasures” and is located in Prescott, Arizona. This item can be shipped to United States.

• Country/Region of Manufacture: United States
• Load Type: Muzzleloader
• Type: barrel
• Gun Type: Rifle
• Brand: Thompson/Center Arms

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This is a Thompson Seneca 45 caliber barrel. It is 13/16″ x 28″ long. It is a 1 in 48 twist. It is from a later production run so it has the warning instructions on the barrel. The bore is as shinny as new. This is as nice a barrel as I have seen. The item “Thompson Center Seneca 45 Caliber Barrel” is in sale since Sunday, April 25, 2021. This item is in the category “Sporting Goods\Hunting\Vintage Hunting\Black Powder”. The seller is “dakotaphil” and is located in Lombard, Illinois. This item can be shipped to United States.

• Country/Region of Manufacture: United States
• Load Type: Muzzleloader
• Type: Barrel
• Gun Type: Rifle
• Vintage: Yes
• Brand: Thompson/Center Arms

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CustomThompson Center Seneca 45 Caliber Barrel with a Green Mountain Mint Bore 36 Barrel assembly. This is a custom barrel assembly ready to drop into a Thompson Center Seneca stock. It was made up for target work and used very little and very well maintained. It also has a 3/8 front sight dovetail for attaching a front sight. It has no holes or dovetail for a rear sight as it was used with a Tang peep sight to take advantage of this barrel’s extreme accuracy. This barrel has also been adorned by three 18 carat gold inlaid bands installed by a Jeweler. The outside professional hot blue remains at 90%. The rate of twist is approx 1:60. It has a custom under rib and two, ram rod thimbles for a 15/16 ram rod (No Ram Rod included). The barrel is 36″ x 13/16″ not including the breech plug. Here’s your opportunity for a tremendous match barrel in excellent shape at a bargin. The orange glow in pics is the reflection of my orange shirt. Thanks, I appreciate your interest. The item “Thompson Center Seneca Custom 45 Cal Barrel Green Mountain Assembly #HG47xx” is in sale since Friday, June 26, 2020. This item is in the category “Sporting Goods\Hunting\Vintage Hunting\Black Powder”. The seller is “dtom9172″ and is located in Carlisle, Arkansas. This item can be shipped to United States.

• Load Type: Muzzleloader
• Brand: For Thompson Center Seneca
• Type: .45 Caliber
• Gun Type: Seneca Custom GM Barrel Assembly
• Country/Region of Manufacture: United States
• UPC: Does not apply

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Thompson Center Seneca Custom 40 Cal Barrel Green Mountain Mint Bore 32. This is a custom barrel assembly ready to drop into a Thompson Center Seneca stock. It was made up for target work and virtually never used. This one was modified to use a 1/4 x 28 nipple and standard nipple wrench. It also has a front sight block for attaching a globe front sight. The outside professional hot blue remains at 90%. The rate of twist is approx 1:60. It has three rather than two, ram rod thimbles for a 15/16 ram rod (No Ram Rod included). The rear sight is an early type Thompson Center. The barrel is 32″ x 13/16″ including the breech plug. Here’s your opportunity for a tremendous match barrel in excellent shape at a bargin. Thanks, I appreciate your interest. The item “Thompson Center Seneca Custom 40 Cal Barrel Green Mountain Mint Bore 32 #HG45xx” is in sale since Friday, June 5, 2020. This item is in the category “Sporting Goods\Hunting\Vintage Hunting\Black Powder”. The seller is “dtom9172″ and is located in Carlisle, Arkansas. This item can be shipped to United States.

• Load Type: Muzzleloader
• Brand: Thompson/Center
• Type: 40 caliber
• Gun Type: Seneca Custom GM Barrel Assembly
• Country/Region of Manufacture: United States
• UPC: Does not apply

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Thompson /Center Model Seneca. #019 Stock 7/8 Barrel Channel. The item “Thompson /Center Model Seneca. 45 Cal. #019 Stock 7/8 Barrel Channel” is in sale since Wednesday, May 22, 2019. This item is in the category “Sporting Goods\Hunting\Vintage Hunting\Black Powder”. The seller is “hampelguns” and is located in Traverse City, Michigan. This item can be shipped to United States.

• Brand: Thompson/Center Arms

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T/C Thompson Center Seneca 36 Cal Barrel W/ RAM ROD. 28 long, 13/16 across flats 1:48 twist, Bluing is 90 % or better. Bore is 90 % or better no rust or pitting. This is a older pre warning barrel with the spade stamp (see pic). These older barrels with the spade stamp are some of the best shooters. The item “T/C Thompson Center Seneca 36 Cal Barrel With RAM ROD” is in sale since Wednesday, February 12, 2020. This item is in the category “Sporting Goods\Hunting\Vintage Hunting\Black Powder”. The seller is “ymoose2″ and is located in Warrenton, Missouri. This item can be shipped to United States.

• Brand: Thompson/Center Arms
• Gun Type: Rifle

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