The Smith & Wesson Model 1 was the first firearm manufactured by Smith & Wesson, with production commencing in 1857. It was also the first commercially-available revolver which used modern rimfire cartridges instead of loose powder, ball and percussion caps. It is a single-action, tip-up revolver holding 7 .22 Short cartridges. In 1860, the model 1, second issue was introduced with some significant changes. In 1868 the model 1, third issue was brought to market with notable alterations being a round barrel and fluted cylinder. The model 1 was discontinued in 1882.