The T/C Hawken in .54 caliber with percussion cap ignition is the heavy-bore variant of the iconic Hawken line, using the same 28-inch octagonal barrel platform as the .50 caliber but in a .54 bore suited for large game. It has been produced continuously alongside the .50 caliber since the early 1970s. Type: Rifle Action: Single Shot Caliber: .54 Cal Capacity: 1 Year introduced: 1972, USA Weight: 136 oz Overall length: 44" Status: Active Intended use: hunting, collector, muzzleloader