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Walther P22 | |
---|---|
Type | Semi-automatic pistol |
Place of origin | Germany |
Production history | |
Manufacturer | Carl Walther GmbH |
Produced | 2002–present |
Specifications | |
Length | 159 mm |
Barrel length | 87 mm |
Width | 29 mm |
Height | 114 mm |
Cartridge | .22 Long Rifle |
Caliber | 5.59 mm |
Action | Blowback |
Muzzle velocity | 290 m/s |
Effective firing range | 30-50 meters |
Feed system | 10-round detachable box magazine |
Sights | Adjustable open sights |
The Walther P22 is a semi-automatic pistol chambered for .22 Long Rifle (5.59 mm Caliber) rimfire ammunition. Manufactured by Carl Walther GmbH Sportwaffen, it was introduced in 2002 and has become very popular among shooting sports. It is distributed by the American gun company Walther America, associated with Smith & Wesson.
The P22 may be fired double action at about 11 pounds-force (49 N), and operates as a single action with slightly more than 4 pounds-force (18 N). [1] The P22 operates by blowback energy from the motion of the cartridge case as it is pushed to the rear by expanding gas created by the ignition of the propellant charge. [2] 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 high velocity .22 (5.59 mm) rounds are used.
The M2 machine gun or Browning .50 caliber machine gun is a heavy machine gun that was designed near the end of World War I by John Browning. While similar to Browning's M1919 Browning machine gun, which was chambered for the .30-06 cartridge, the M2 uses Browning's larger and more powerful .50 BMG cartridge. The design has had many designations; the official U.S. military designation for the infantry type is Browning Machine Gun, Cal. .50, M2, HB, Flexible. It has been used against infantry, light armored vehicles, watercraft, light fortifications, and low-flying aircraft.
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