Reproduction of the British Whitworth rifle — the most accurate muzzleloading military rifle ever made. Hexagonal bore, 33-inch barrel, Enfield-pattern stock, folding ladder sight. Type: Rifle Action: Percussion Caliber: .451 caliber Capacity: 1 Year introduced: 1978, Italy Weight: 128 oz Overall length: 47" Status: Active Military use: Yes Intended use: target, competition, reenactment