There is evidence that reloadable solid brass pinfire shotgun shells,fitted with an adapter designed to take a standard percussion cap were at one time available. A shell of this type is pictured on page 66 of;Macdonald Hastings book,"English Sporting Guns and Accessories."
This type of shell would be easier to reload than a standard paper pinfire case which requires special tools to remove the spent cap and press home the replacement.These cases would also have been less hazardous after reloading than standard pinfire shells. During this era standard percussion caps would be readily available. This may not have been the case with the cap used in pinfire shells.The shell described can can be used without the need to modify the breech face of a standard pinfire gun .
