Compare Quick view Chiappa X-caliber Adptr For 12ga Bbl Chiappa Firearms Log in for pricing The X-Caliber Adapter Set allows shooting the most popular centerfire pistol cartridges through any break-open action 12 gauge shotgun.Features :Caliber adapter/conversion setCarry pouch included"8" adapters, Log in for pricing Compare Quick view Qty in Cart: 0 Price: Log in for pricing Subtotal: