475.00 Thompson Center Thunderhawk Stainless .50 cal w/ Scope Winnipeg Apr 11, 2024 - 9:03 AM hermn8r Dealer Selling/trading a Thompson Center Thunderhawk Stainless .50 cal muzzleloader. Overall it's in very good shape. 21" barrel. Steel is all in very good shape with only light surface marks here and there.