Ruger does not necessarily produce firearms in serial number order.
There are occasions when blocks of serial numbers have been manufactured out of sequence, sometimes years later.
It also manufactures and sells accessories and replacement parts for its firearms.
The MK II was removed from production in 2004, when it was replaced by the MK III.
The Ruger MK II is a rimfire single-action semi-automatic pistol chambered in .22 Long Rifle and manufactured by Sturm, Ruger & Company.
Ruger rimfire pistols are some of the most popular handguns made, with over three million sold. Previous models include the Standard, Ruger's first model, made from 1949 to 1982, and the MK I Target, made from 1951 to 1982.
This company engages in the design, manufacture, sale, and export of firearms in the United States.
The company offers single-shot, autoloading, bolt-action, and sporting rifles; over and under shotguns; rim fire autoloading and center fire autoloading pistols; and single-action and double-action revolvers under the Ruger brand name.