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{{Refimprove|date=November 2017}} |
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{{Infobox Weapon |
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{{Infobox weapon |
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|name= Walther P22 |
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| name = Walther P22 |
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|image= ] |
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| image = Walther P22 Corrected.jpg |
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|caption= Walther P22 Target with the 127mm barrel. |
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| image_size = |
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|origin= ] |
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| caption = |
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|type= ] |
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| origin = {{flag|Germany}} |
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<!-- Type selection --> |
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| type = ] |
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|is_ranged=yes |
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| is_ranged = yes |
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|is_bladed= |
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| design_date = |
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|is_explosive= |
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| manufacturer = ] |
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|is_artillery= |
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| production_date = 2002–present |
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|is_vehicle= |
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| used_by = |
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<!-- Service history --> |
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| variants = |
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|service= |
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| weight = <!----{{convert|430|g|abbr=on}} (P22)<br/> {{convert|525|g|abbr=on}} (P22 Target) |
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|used_by= |
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|length={{convert|159|mm|in|abbr=on}} |
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|wars= |
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|part_length={{convert|87|mm|in|abbr=on}} (P22)<br/> {{convert|127|mm|in|abbr=on}} (P22 Target)---> |
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<!-- Production history --> |
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| length = 159 mm |
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|designer= ] |
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| part_length = 87 mm |
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|design_date= |
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| width = 29 mm |
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|manufacturer= ] |
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| height = 114 mm |
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|production_date= |
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| cartridge = ] |
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|number= |
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| caliber = 5.59 mm |
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|variants= ''Target'' (longer barrel) |
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| action = ] |
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<!-- General specifications --> |
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| rate = |
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|weight= <ul><li>430 ]</li><li>525 g (Target)</li></ul> |
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| velocity = 290 m/s |
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|length= 159 ] |
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| range = 30-50 meters |
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|part_length= <ul><li>87 mm (3.4 ])</li><li>127 mm (5.25 in) (Target)</li></ul> |
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| feed = 10-round detachable ] |
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|crew= |
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| sights = Adjustable ] |
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<!-- Ranged weapon specifications --> |
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|cartridge= ] |
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|caliber= |
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|action= blowback, recoil operated |
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|rate= |
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|velocity= |
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|range= |
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|max_range= |
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|feed= 10 round detachable box ] |
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|sights=Adjustable Rear White-Dot ]; Front sight available in varying heights. |
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}} |
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}} |
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The '''P22''' is a ] manufactured by ]. |
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The '''Walther P22''' is a ] chambered for ] (5.59 mm ]) ]. Manufactured by ], it was introduced in 2002 and has become very popular among ]. It is distributed by the American gun company Walther America, associated with ]. |
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==Usage== |
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Being a .22 caliber handgun with a relatively large size, it features mild ] when fired, making it well suited for introducing and training newcomers to handguns without introducing any fear from recoil. The P22 is regarded by many firearms enthusiasts as being a modestly priced "]" suitable for handgun training, recreational, and other general ] use. There are a wide range of accessories, including ] sights, a ] that attaches to a rail under the dust guard area in front of the trigger guard, and a frame-mounted ] attachment. |
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==Operation== |
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== Composition and assembly == |
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] suppressor|200x200px]] |
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On the exterior, it resembles the ], but it is somewhat smaller (75% of the P99's size) and its action chambers the rimfire ] cartridge. The most noticeable exterior difference is the P22's slide mounted, thumb operated, ambi-dexterous safety and its external hammer. The P22 features a cast polymer grip-frame. Its slide and serial numbered frame receiver inserts are made from MIM (]) cast zinc alloy, its barrel consists of a rifled steel insert within a steel barrel sleeve, and its internal lockwork and fire-control parts are a combination of MIM cast steel and steel stampings. |
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The P22 may be fired ] at about {{convert|11|lbf|N}}, and operates as a ] with slightly more than {{convert|4|lbf|N}}.<ref name="handsgunmag">{{cite web|title=Walther P22|work=]|url=http://www.handgunsmag.com/featured_handguns/walther_p22/|archivedate=2003-04-15|url-status=dead|date=2008|archiveurl=https://web.archive.org/web/20030415112120/http://www.handgunsmag.com/featured_handguns/walther_p22/}}</ref> The P22 operates by ] energy from the motion of the ] as it is pushed to the rear by expanding gas created by the ignition of the ].<ref name="Chinn">{{harvnb|Chinn|1955|p=3}}</ref> The action will not open until the projectile has left the barrel and the pressures have dropped to safe levels. The gun will not cycle efficiently unless ] .22 (5.59 mm) rounds are used. |
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== Users == |
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The P22 can be purchased with a 3.4-inch short barrel, or with a 5-inch barrel which includes a barrel mounted weight compensator matching the profile of the slide ''(pictured to the right)''. The P22 was originally designed such that the two different length barrel assemblies could be easily interchanged, and "combo" packages including both barrels were offered for sale. |
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* {{flag|Germany}} |
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* {{USA}} |
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* {{flag|Colombia}} |
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* {{flag|Bangladesh}} |
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==See also== |
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The P22 is offered in many different color variations of its polymer lower receiver. Black, Olive Drab, White, and Carbon Fiber are options. The slide assembly will either have a blue-black applied finish, or it will be finished with a nickel/stainless look. |
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* ] |
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* ] |
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* ] |
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* ] |
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* ] |
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==References== |
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Due to California's ban on ]s, the Walther P22 was not available for sale in that State for some time.. The gun was initially approved for sale only to be delisted after the ] realized the pistol had a barrel that was threaded (threaded barrels on semiautomatic pistols in California are a characteristic which makes them illegal under the state's ban on so-called assault weapons). P22's that were sold in that state had to either be removed from the state or returned to the manufacturer for a modification ensuring that the original barrel extension purchased with the gun is permanently installed and cannot be removed without ruining the barrel assembly, or the handgun, or both. Currently there is a version available that is California legal.<ref>{{Citation |
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{{reflist|2}} |
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| publisher= State of California |
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| title = Roster of Handguns Certified for Sale, California Dept of Justice |
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| date =May 2, 2006 |
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| year =2006 |
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| url = http://certguns.doj.ca.gov/ |
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| accessdate = 08/26/2007 }}</ref> |
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== Sources == |
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In some countries, like Finland, the original 3.4 inch short barrel causes the P22 to be classified as a concealable firearm, making the 5 inch target barrel the only available option for normal recreational shooters. |
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* {{cite book |last=Chinn |first=George M. |title=The Machine Gun, Volume IV: Design Analysis of Automatic Firing Mechanisms and Related Components |publisher=Bureau of Ordnance, Department of the Navy |year=1955 |location=Washington, D.C.}} |
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== Operation == |
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The P22 may be fired ] for the first shot from a hammer-down condition, and operates as a ] on all successive shots. The hammer can only be de-cocked by pulling the trigger, as this particular handgun does not have a "decocking" lever. |
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The P22 operates on the ] method of semi-automatic operation. Under this approach, the pressure generated by a firing cartridge is contained by a combination of the inertial weight of the slide assembly and the force of the recoil spring. There is no "locking" mechanism. The strength of the recoil spring and the weight of the slide are such that the rearward force of the firing cartridge will not open the action until the projectile has left the barrel and the pressures have dropped to safe levels. |
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As with many semi-automatic pistols, the P22 is equipped with a ] that prevents the trigger from operating on the sear mechanism unless a magazine is actually inserted and locked into the weapon. The magazine disconnect on a P22 works by utilizing a strong spring to apply downward force against the trigger bar, such force being sufficient to overcome the action of the relatively weaker trigger spring which interacts with upward force on the same bar. When a magazine is not locked into the weapon, the downward force of the stronger magazine disconnect spring causes the trigger bar to pass beneath the internal lockwork of the weapon when the trigger is pressed. Once a magazine is fully inserted, however, an actuator surface on the front of the magazine pushes against the magazine safety. This overcomes the magazine safety's strong spring, and thereby serves to allow the trigger bar to spring upward under the force of the less powerful trigger spring. When this occurs, the trigger bar is in a position where it engages the lockwork when the trigger is actuated. An added side effect of the interplay between the strong magazine disconnect spring and the magazine itself is that the magazine will "spring" out of the grip of the weapon very vigorously when released. |
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=== Safety === |
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The P22's slide mounted safety, when engaged, performs two functions. First, it serves as a "hammer block" by rotating a portion of the metal surface of the safety into a position that interferes with the hammer's contact with the firing pin. Second, it acts as a "firing pin lock" by rotating a portion of the safety into a notch on the underside of the firing pin, thereby inhibiting forward movement. The P22 safety does not prevent sear or trigger movement, and (as noted), it does not provide a hammer drop function. If the hammer is cocked when a P22 is been placed on "safe," the hammer will continue to remain cocked and will only fall if the trigger is pressed. If the safety is on, the hammer will strike the safety instead of the firing pin and, therefore, fail to fire. Good safety practices generally counsel against relying on mechanical safeties and such a method of decocking should only be used when the firearm is unloaded and pointed in a safe direction. |
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The P22 utilizes an additional, passive, safety mechanism to protect against accidental discharges in the event the weapon is dropped. When the action is closed, a small metal button on the underside of the breach block is actuated by an arm surface extending from the sear. In this state (whether or not the hammer is cocked), the firing pin is mechanically blocked and cannot move forward to strike a cartridge rim. When the trigger is pressed, the sear moves downward in such a way as to move from its interaction with the firing pin safety, which in turn springs downward under the force of a captive spring within the breach block. This disengages the firing pin safety, allowing the firing pin to move and the weapon to fire. |
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=== Firing pin === |
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The firing pin on a P22 is "inertial." That means when fully depressed by the weapon's hammer in its "down" or at-rest position, the firing pin does not actually reach the cartridge rim. It can only fire the cartridge by way of inertial energy after it has been hit vigorously by the full force of a cocked hammer. For this reason, it is not abnormally dangerous to have the hammer down on a P22 with the safety off (as was the case historically with most single action revolvers and some semi-automatic pistols). A strike to the hammer in such a situation will not fire the P22. Even so, the operating manual for the P22 cautions users to diligently apply the manual safety except when ready to fire the gun. This aspect of the firing pin also adds safety to the manual method of decocking that is required to be used with this firearm, though, as mentioned, it is wise to keep the firearm unloaded and pointed in a safe direction when decocking. |
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Due to the inertial firing pin, the P22 should not be "dry fired" extensively during aiming practice. Doing so not only risks deformation of the chamber face, but the repeated forward action of the firing pin into and beyond the space normally occupied by the rimfire casing will eventually distort the firing pin spring. If this happens, the firing pin will no longer return vigorously to its default at-rest position at the extreme of its possible rearward travel within the breach block. This could result in less or none of the firing pin's rear surface protruding beyond the rear of the breach block for impact by the hammer. |
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== Distribution == |
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The P22 is distributed and supported in the United States by Walther America, a subsidiary of the ]. |
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==See also== |
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*], full-sized 9 mm caliber version. |
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*] |
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==References== |
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<references /> |
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==External links== |
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==External links== |
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{{Commons|Walther P22}} |
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* at waltheramerica.com |
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*{{official website|http://www.waltherarms.com/products/handguns/p22/}} |
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* at carl-walther.de |
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{{Walther}} |
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