page_title: Ruger Standard
section_title: Mark III
hierarchical_section_title: Ruger Standard / MK III / Models / Mark III
caption_attribution_description: Ruger KMK512, MKII .22 LR
context_page_description: The Ruger Standard Model is a rimfire semi-automatic pistol introduced in 1949 as the first product manufactured by Sturm, Ruger & Co., and was the founding member of a product line of .22 Long Rifle cartridge handguns, including its later iterations: the MK II, MK III, and MK IV. It is marketed as an inexpensive .22 caliber rimfire intended for casual sport and target shooting, and plinking. Designed by company founder William B. Ruger, the Standard model and its offspring went on to become the most accepted and successful .22 caliber semi-automatic pistols ever produced.
context_section_description: The first lineup is simply known as Mark III. The pistol's barrel is made from steel bar and is threaded into the receiver which is made from steel tube. The barrel is not removable without machining, though. The layout is similar to the Luger P08, although the operating mechanism was originally copied from the Nambu pistol.
  The high-end model is known as the Hunter. This pistol features a stainless steel frame and comes with either a 4.5-inch, 5.5-inch (a distributor exclusive), or a 6.875-inch fluted bull barrel, fiber-optic front sight, adjustable, V-notch rear sights, and half-checkered cocobolo wood grip. It features multiple safety mechanisms, and includes a visible loaded chamber indicator (The first ever included in a .22 rimfire pistol) as well as internal and external keyed locks provided.
  The next pistol in the lineup is named Competition. It too has a stainless steel frame and 6.875-inch slab sided bull barrel, and adjustable rear sights; the pistol also has the cocobolo grip with thumb rest.
  Target is the next Mark III. This pistol has a stainless or blued finish, a 5.5" bull barrel, adjustable rear sights, and black plastic grips on the blued finish and Cocobolo grips on the stainless finish.
  The bull barrel pistol comes in stainless steel or blued finish. It has a heavier barrel to help keep the barrel from overheating and to minimize recoil. It has a 5.5-inch barrel and adjustable rear sights.
  Finally, the Standard Mark III has a tapered barrel, black plastic handgrips and a blued finish. It comes with either a 6-inch or 4.75-inch barrel.  It has fixed sights.
caption: Stainless steel Ruger Mark III with magazine
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