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Green Mountain IBS (Interchangable Barrel System) for Thompson Center Drop In 54 cal, 1:70 twist. Barrel measures 15/16″ ATF x 32″ so will fit the TC 50 or 45 cal Hawken stock. I don’t believe they make these anymore. Please pay within 3 days or contact me. This item is in the category “Sporting Goods\Hunting\Vintage Hunting\Black Powder”. The seller is “dp_treasures” and is located in this country: US. This item can be shipped to United States.
- Country/Region of Manufacture: United States
- Load Type: Muzzleloader
- Gun Type: Rifle
- Type: barrel
- Vintage: Yes
- Brand: Green Mountain
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