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Ruger 2245
Ruger 22/45
Country of origin

United States

Manufacturer(s)

Sturm, Ruger & Co.

Year(s) designed

1992

Production began

1992[1]

Production ended

Present

Weapon type

Semi automatic pistol

Caliber

.22 Long Rifle

Action

Blowback

Overall length

8.5in (216mm)[2]

Barrel length

4.4in (112mm)[2]

Weight

1.43lb (0.65kg)[2]

Width

5.5in (140mm)[2]

Magazine/Cylinder capacity

Ten round box magazine[2]

The Ruger 22/45 is a .22 Long Rifle pistol built by Sturm, Ruger & Co. since 1992.[1] The 22/45 combines elements of the Ruger Mark III, Colt 1911 and the Nambu Pistol into a pistol intended for competition shooting.[3]

HistoryEdit

The Ruger 22/45 was originally announced in 1992, combining elements of several firearms.[3] One major issue with Ruger's .22 pistol line was the grip shape, as well as the use of older materials.[1] The 22/45 countered this, using a polymer grip frame to reduce weight, as well as an aluminium receiver.[1] Also significant was the change of grip shape, which was modifed to closer match that of the Colt 1911, the most popular pistol in competitive shooting.[1]

The 22/45 remains in production to this day, produced in a number of variants with other accessories. With a traceable lineage back to the 1940s designs of the Nambu pistol and Ruger Standard, the 22/45 remains a popular firearm, and one which has become key to Ruger's catalogue.[3]

Design DetailsEdit

The 22/45 is a two part design, whereby the grip frame and trigger are manufactured from a Zytel ® polymer, while the receiver and barrel are manufactured from aluminium.[2] The aluminium is aircraft grade for both strength and lightness, meaning that the 22/45 weighs as little as 1.4lbs (0.65kg), making it one of the lightest pistols on the market today.[2][3]

The 22/45 uses a blowback action, similar to the Nambu pistol of Imperial Japan in the Second World War.[3] This means that the potential for misalignment of the sights through the movement of a slide (which most .22 pistols use) is avoided.[2] The barrel is rifled with six grooves with a 1:16in ratio twist, and is threaded to accept a silencer or other barrel accessories.[2]

Numerous safety mechanisms are also fitted to the 22/45. As well as a conventional manual safety to lock the sear, the 22/45 is fitted with a loaded chamber indicator and a magazine disconnect, intended to prevent accidental fire if the magazine has been removed, but a shot still lies in the chamber.[2] The ejection port has also been designed with user safety in mind, angled and contoured to prevent the ejected cartridge from hitting the user.[2]

AmmunitionEdit

The Ruger 22/45, as the name suggests, is a .22 calibre pistol, chambered to accept the .22 Long Rifle cartridge. These are fired from a ten round magazine, which slots within the grip.[2] A magazine release button can be found on the left side of the frame, above the trigger guard.[2]

VariantsEdit

As with many target pistols, the 22/45 has a number of factory made variants for sale which cater for various other users tastes.

Ruger 22/45 Lite®Edit

Essentially the current basic version of the 22/45 currently offered by Ruger. The barrel shroud can either be finished in anodised colbolt (producing a contrasted finish) or an anodised black to match the frame.[2]

Ruger 22/45 TargetEdit

Ruger 2245 Target

The Ruger 22/45 Target with 5.5in barrel.

A cheaper version of the 22/45, with a steel upper receiver, rather than aluminium.[2] The Target is fitted with a 5.5in barrel (although a 4in option is also available) and Weaver style scope mounts.[2]

Ruger 22/45 Threaded BarrelEdit

Sold with a marginally longer 4.5in threaded barrel.[2] This design allows for more aftermarket muzzle accessories to be added to the 22/45, and is also fitted with two picatinny rails for added customisation.[2]

TriviaEdit

  • The 22/45 was used in the 2012 film Jack Reacher by the character Charlie. [4]

ReferencesEdit

Image origins:

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