Ruger MK III
Encyclopedia
The Ruger Mark III is a .22 long rifle
semi-automatic pistol manufactured by Sturm, Ruger & Company
. It is the successor to the Ruger MK II
, and includes several new features.
Note: Ruger manual says ... "NOTE C — Scope mount bases and rings listed will fit all MARK III and 22/45 MARK III pistols. Only the MARK III Target models are drilled and tapped at the factory. The MARK III Standard models must be drilled and tapped by your local gunsmith. (Drilling and tapping instructions available upon request.)
The second lineup is named 22/45 Mark III. These pistols have a polymer
frame and one piece steel barrel and receiver. The grip angle emulates that of a M1911
.
.22 Long Rifle
The .22 Long Rifle rimfire cartridge is a long established variety of ammunition, and in terms of units sold is still by far the most common in the world today. The cartridge is often referred to simply as .22 LR and various rifles, pistols, revolvers, and even some smoothbore shotguns have...
semi-automatic pistol manufactured by Sturm, Ruger & Company
Sturm, Ruger
Sturm, Ruger & Company, Incorporated is a Southport, Connecticut-based firearm manufacturing company, better known by the shortened name Ruger. Sturm, Ruger produces bolt-action, semi-automatic, full-automatic, and single-shot rifles, shotguns, semi-automatic pistols, and single- and double-action...
. It is the successor to the Ruger MK II
Ruger MK II
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.-Models:...
, and includes several new features.
Changes from the Mark II
- Addition of a visible loaded chamber indicator on the left side.
- Magazine release moved, from bottom of grip to behind triggerguard.
- All Mark III pistols with adjustable sights are drilled and tapped for a Weaver-style scope base which ships with the pistol.
Note: Ruger manual says ... "NOTE C — Scope mount bases and rings listed will fit all MARK III and 22/45 MARK III pistols. Only the MARK III Target models are drilled and tapped at the factory. The MARK III Standard models must be drilled and tapped by your local gunsmith. (Drilling and tapping instructions available upon request.)
- A new magazine disconnect prevents the pistol from being fired with the magazine removed from the pistol.
- An internal safety lock has been added. Using a key, the safety can be locked in the "safe" position.
- Shorter tapered bolt ears
- A smoothly contoured ejection port profile
Mark III
The first 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 layout is similar to the Luger P08.- The high-end model is known as the Hunter. This pistol features a stainless steelStainless steelIn metallurgy, stainless steel, also known as inox steel or inox from French "inoxydable", is defined as a steel alloy with a minimum of 10.5 or 11% chromium content by mass....
frame and comes with either a 4.5-inch, 5.5-inch (a distributor exclusive), or a 6.875-inch flutedFluting (firearms)In firearms terminology, fluting refers to the removal of material from a cylindrical surface, usually creating grooves. This is most often the barrel of a rifle, though it may also refer to the cylinder of a revolver or the bolt of a bolt action rifle....
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 blued finish, a tapered 6.875-inch barrel, adjustable rear sights, and black plastic grips.
- The Bull barrel pistol comes in stainless steel or blued finish. It has a heavier barrel to help the barrel from overheating and to keep recoil down. 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.
| Catalog Number |
Model | Finish | Sight | Length | Approx. Weight |
Suggested Retail Price |
||||
|---|---|---|---|---|---|---|---|---|---|---|
| Blued Bluing (steel) Bluing is a passivation process in which steel is partially protected against rust, and is named after the blue-black appearance of the resulting protective finish. True gun bluing is an electrochemical conversion coating resulting from an oxidizing chemical reaction with iron on the surface... |
Stainless Stainless steel In metallurgy, stainless steel, also known as inox steel or inox from French "inoxydable", is defined as a steel alloy with a minimum of 10.5 or 11% chromium content by mass.... |
Rear | Front | Barrel | Overall | |||||
| Standard | MKIII4 | Standard | * | Fixed | Fixed | 4¾" | 9" | 35 oz | $362.00 | |
| MKIII6 | Standard | * | Fixed | Fixed | 6" | 10¾" | 37 oz | $362.00 | ||
| Target | MKIII512 | Bull Bbl. | * | Adjustable | Fixed | 5½" | 9¾" | 42 oz | $430.00 | |
| KMKIII512 | Bull Bbl. | * | Adjustable | Fixed | 5½" | 9¾" | 42 oz | $543.00 | ||
| KMKIII678GC | Competition | * | Adjustable | Fixed | 6⅞" | 11⅛" | 45 oz | $625.00 | ||
| KMKIII678H | Hunter | * | Adjustable | HiViz Fiber Optic | 6⅞" | 11⅛" | 41 oz | $638.00 | ||
| KMKIII45H | Hunter | * | Adjustable | HiViz Fiber Optic | 4½" | 8¾" | 38 oz | $638.00 | ||
22/45 Mark III
Polymer
A polymer is a large molecule composed of repeating structural units. These subunits are typically connected by covalent chemical bonds...
frame and one piece steel barrel and receiver. The grip angle emulates that of a M1911
M1911
The M1911 is a single-action, semi-automatic, magazine-fed, and recoil-operated handgun chambered for the .45 ACP cartridge. John M. Browning designed the firearm which was the standard-issue side arm for the United States armed forces from 1911 to 1985. The M1911 is still carried by some U.S....
.
- The high-end model is known as the Hunter. This pistol features a stainless steel 4.5-inch or 6.875-inch fluted bull barrel, HiViz fiber optic front sight, and adjustable rear sights.
- The Bull barrel pistol comes in a few different variations. It has a heavier barrel to help the barrel from overheating and to keep recoil down.
- Stainless steel 5.5-inch barrel and adjustable rear sights.
- Blued finish with 5.5-inch barrel and adjustable rear sights.
- Blued finish with 4-inch barrel and adjustable rear sights.
- Blued finish with 4.5-inch barrel and fixed rear sights.
| Catalog Number |
Model | Finish | Sight | Length | Approx. Weight |
Suggested Retail Price |
|||
|---|---|---|---|---|---|---|---|---|---|
| Blued | Stainless Stainless steel In metallurgy, stainless steel, also known as inox steel or inox from French "inoxydable", is defined as a steel alloy with a minimum of 10.5 or 11% chromium content by mass.... |
Rear | Front | Barrel | Overall | ||||
| P4MKIII | Bull Bbl. | * | Adjustable | Fixed | 4" | 8" | 31 oz | $307.00 | |
| P45GCMKIII | Bull Bbl. | * | Fixed | Fixed | 4½" | 8½" | 33 oz | $305.00 | |
| P512MKIII | Bull Bbl. | * | Adjustable | Fixed | 5½" | 9½" | 35 oz | $307.00 | |
| KP512MKIII | Bull Bbl. | * | Adjustable | Fixed | 5½" | 9½" | 35 oz | $398.00 | |
| KP678HMKIII | Hunter | * | Adjustable | HiViz Fiber Optic | 6⅞" | 10⅞" | 34 oz | $487.00 | |