PISTOL: HENRY REPEATING ARMS MODEL H006GMML, SERIAL NUMBER BBML01061GM, LEVER ACTION, .357 MAG/.38 SPL, BLUE, CASE NOT INCLUDED, 12.9" Notes: Henry Big Boy Mare's Leg 357 Magnum Lever Pistol - 12.9" Barrel, Blue/Wood - 5+1 Rounds The Henry Big Boy Mare's Leg is a compact lever-action firearm chambered in .357 Magnum. It features the distinctive Mare's Leg configuration, combining a shortened lever-action design with the classic styling associated with Henry's Big Boy series. The platform incorporates a traditional lever-action operating system, tubular magazine, and a hardwood stock and grip configuration. Its .357 Magnum chambering also permits the use of .38 Special ammunition, subject to the manufacturer's specifications.