Switching a Desert Eagle to another chambering requires only that the correct barrel, bolt assembly, and magazine be installed. Downsides of the gas-operated mechanism are the large size of the Desert Eagle, and the fact that it discourages the use of unjacketed lead bullets, as lead particles sheared off during firing can clog the gas release tap, preventing proper function. Thus, it allows the Desert Eagle to compete in an area that had previously been dominated by magnum revolvers. The advantage of the gas operation is that it allows the use of far more powerful cartridges than traditional semi-automatic pistol designs. The rotating bolt has three radial locking lugs (the fourth lug is only for pushing the next round in the chamber), with the extractor on the right-hand side fitting where the fifth lug would be, and strongly resembles the seven-lug bolt of the M16 series of rifles, while the fixed gas cylinder and moving piston resemble those of the Ruger Mini-14 carbine (the original patent used a captive piston similar to the M14 rifle). The bottom lug of the bolt pushes a new round into the chamber, then the bolt locks up and the gun can be fired again. The slide reaches its rearmost position, then moves forward again under the tension of the recoil springs. The spring-loaded ejector is continually being depressed by the case, until the case is free of the chamber and the tension from the ejector is released, causing the case to eject, breaking free of the extractor in the process. A mechanism on the left side of the bolt prevents the bolt from rotating freely as the slide moves, forcing it to remain aligned correctly with the barrel while the breech is open. When the gases reach the cylinder, the piston pushes the slide rearward, with a large pin inside the camming surface in the rear of the bolt causing the bolt to rotate and unlock. The slide, which acts as the bolt carrier, has a small piston on the front that fits into this cylinder. These travel forward through a small tube under the barrel, to a cylinder underneath the front of the barrel. When a round is fired, gases are ported out through a small hole in the barrel in front of the chamber. The Desert Eagle uses a gas-operated ejection and chambering mechanism normally found in rifles, as opposed to the short recoil or blowback designs most commonly seen in semi-automatic pistols. With the safety off, pulling the trigger releases, allowing the hammer to fall downward, hitting the firing pin, and causing the chambered round to discharge. The ambidextrous safety switch rotates a drum mechanism that sits over the firing pin, causing the firing pin to lock in, which prevents it from moving forward and reduces the possibility of the gun discharging accidentally. The pistol is fired by a single action hammer and has a manual safety switch on the slide. A second patent application was filed in December 1985, after the basic design had been refined by IMI Systems (Israel Military Industries) for production, and this is the form that went into production. This established the basic layout of the Desert Eagle. White of Magnum Research and Arnolds Streinbergs of Riga Arms Institute, who filed a US patent application for a mechanism for a gas-actuated pistol in January 1983. The design for the Desert Eagle was initiated by Bernard C. Magnum Research has marketed various versions of the short recoil Jericho 941 pistol under the Baby Eagle and Desert Eagle pistol names these weapons are not directly related to the Desert Eagle, but share a similar visual design. Kahr Arms acquired Magnum Research in 2010. Since December 2009, the Desert Eagle pistol has been produced in the United States at MRI's Pillager, Minnesota, facility. In 1998, MRI moved manufacturing back to IMI, which later commercialized its small arms branch under the name Israel Weapon Industries. The design was further refined by (and was also manufactured by) Israel Military Industries (IMI), until 1995, when MRI shifted the manufacturing contract to Saco Defense, in Saco, Maine. (MRI) designed and developed the Desert Eagle. 50 Action Express, the largest centerfire cartridge of any magazine-fed, self-loading pistol. The Desert Eagle is a gas-operated, semi-automatic pistol known for chambering the. 357/44 Bain & Davis (IMI prototype only) Israel Military Industries (1982–1995), Saco Defense (1995–1998), Israel Military Industries (1998–2005), Magnum Research and Israel Weapon Industries (2005–2009), Magnum Research (2009–current) Magnum Research and Israel Military Industries
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