 Versions of the Super Redhawk with 20-inch barrels were produced for the UK market with serial numbers in the 551-5xxxx and 551-7xxxx range.Model numbers were KSRH-21-357 (.357 Magnum) and KSRH-21 (.44 Magnum).200 were made in total evenly split between the .357 and .44 for the importers.