Henry Big Boy Carbine 357 available for sale at the Ammogunshop.com at the best price. The steel Big Boy hangs its barrel and checkered walnut furniture on a matte-finished blued steel frame that\’s drilled & tapped for optional scope mounts, and uses the same adjustable Western-style sights as the standard Big Boy, with the same sliding transfer bar safety system in its hammer. The Big Boy Steel Carbine features the same blued frame and round barrel. It comes with a glove-friendly oversized lever, and a seven-round magazine capacity.