View all Marl guns for sale in North West are listed in Stockport, Cheadle Hulme, Carlisle, and other areas in North West. Started out after the US civil war, by John M Marlin, manufacturing revolvers and derringers.The company manufactured the Colt "potato digger" machine guns during the first world war, and then later went on to produce many excellent sporting rifles, being famous for their underlever action models.Today they produce a good range of both bolt action and underlever rifles, as well as shotguns.