750.00 Colt 1877 Thunderer Revolver, Project Winnipeg Jun 1, 2024 - 9:50 PM Menno Colt 1877 Thunderer in 41 Long Colt. 4.5" barrel. Sold as a project as-is condition. Serial numbers are matching on frame, trigger guard and back strap and date it to 1895 production. Cylinder is missing. Cylinder rod is non original.