Physical Dimensions: L. of each pistol 20 1/8 in. (51.1 cm); Cal. of 14.25.1433a .444 in (11.2 mm); Cal. of 14.25.1433b .463 in. (11.3 mm); L. of each barrel 12 in. (30.5 cm); L. of plug 7 1/2 in. (19.1 cm); Diam. at muzzle 3/4 in. (19.1 mm); Diam. at breech 1 5/16 in. (3.3 cm); L. of lock 5 5/8 in. (14.3 cm); Wt. of 14.25.1433a 4 lb. 2 oz. (1871 g); Wt. of 14.25.1433b 4 lb. (1814 g)