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英国essay论文精选范文：“The Walther PPX”，这篇论文讨论了瓦尔特PPX手枪。瓦尔特PPX手枪是2013年瓦尔特公司研发的一款面向警用的半自动手枪，虽然全球大多数警察都是佩戴格洛克手枪的，但瓦尔特公司并不甘于人后，这次推出的瓦尔特PPX手枪完全是针对警用手枪市场的，这款手枪安全性很高，非常适合巡警佩戴，并且双动手枪要比单动手枪更加安全。

Walter's ppq pistol sales in 2012, good results, but for some preference for some of the United States to hit the hammer blowback, this pistol with a smooth firing pin to be subject to certain restrictions. Walter company for this market research and development, this year launched the Walter ppx semi-automatic pistol. From the overall appearance point of view, ppx and no hammer, this is because ppx hammer is the rear of the package package, only from the rear of the sleeve to see the hammer. This design facilitates carrying in the pocket, without having to worry about hanging clothes and so on. As the hammer built-in, so ppx using double-action firing mode, mainly for police use semi-automatic pistol market.

Ppx using the traditional short barrel recoil automatic way and modified Browning hinge-type locking method. Walt ppx pistol will feel a little strange, this is because the rifle with a unique grip design - "Hump" grip. Grip, the grip after the direction of the rear bend, that is, "Hump" is located in the palm position, grip grip feel very good.

Walter ppx pistol is a standard full-size pistol, gun length 186mm, barrel length 102mm, the whole gun 143mm high, empty gun quality 0.77kg, 9mm and 0.40 inch two caliber.

Conventional sleeve

Ppx sleeve shape and ppq different, but closer to Walter p99 sleeve shape. The steel sleeve surface is treated with advanced tenifer, improved abrasion resistance and corrosion resistance. Sleeve front and rear anti-slip pattern, the right side of the sleeve engraved with Walt's trademark and ppx words. Sight and according to the door is also a consistent dovetail slot fixed way, the rear are equipped with white tritium light tube, conducive to dim light when shooting. The barrel, the latching block and the missile plate are no longer integral parts, but are welded together after machining. This design simplifies production compared to the previous one-piece design. Below the barrel, there is a recoil spring and a recoil guide rod.

Double - action firing mechanism

The gun's double-action trigger stroke is 7mm, the trigger force 29n, the trigger force than the other dual-action trigger to light. In order to improve the firing accuracy, the trigger with sniper rifle only two fire design, this design in Walter series pistol is unprecedented.

Other punctuation design

Compared with the pistol before the Walter company, ppx changed the design of the decomposition rod, the decomposition lever to operate more smoothly and more quickly. Empty warehouse hang up the release of the rod back to the p99 design. Sleeve seat under the front of the rails made of polymer, this design is also rare, and retainer retainer ppq style. Grips on the handle of the magazine card larger, easy to operate. Grip the bottom of both sides are designed with a depression, easy to shoot with two fingers gripping the magazine, easy to install and replace the magazine operation.

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Multiple versions

Walter's semi-automatic pistol has always been more than one version of the parallel, ppx is no exception. From the caliber, the gun has 9mm version and 0.40-inch version; from the sleeve material points, in addition to the standard polymer sleeve type, but also introduced the face of the high-end market, silver sleeve version of the sleeve from stainless steel Built, and there are 9mm and 0.40 inch two caliber. Micro-acoustic version of the natural and ultimately, this is specifically for the special forces and special police to create the front of the barrel with the installation of the muffler thread. But micro-acoustic version of only 9mm caliber, we can see the market position is very clear.

Accuracy and Reliability of Range Test

Accuracy test with 10 yards of the short-range, using rapid-fire mode. Archer fired a total of 4 round targets, 5 consecutive rapid-fire, high precision, spread for the size of an apple. In the reliability test, the use of the same pistol fired a total of 700 rounds of ammunition, without any problems, the reliability is very high. Sagittarius said that although the use of pure dual-action trigger, but not particularly blunt feeling, when pulled very smoothly.

Although the global police pistol market to Glock pistol as the mainstream, but Walter and unwilling to people, the introduction of the Walter ppx pistol is clearly aimed at the police pistol market, this highly secure pistol is very suitable Patrol wear, and double-action pistol than the single-action pistol more secure.

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