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  2. M4 carbine - Wikipedia

    en.wikipedia.org/wiki/M4_carbine

    According to a PDF detailing the M4 Carbine improvement plans released by PEO Soldier, the direct impingement system would be replaced only after reviews were done comparing the direct impingement system to commercial gas piston operating system to find out and use the best available operating system in the U.S. Army's improved M4A1.

  3. AR-15–style rifle - Wikipedia

    en.wikipedia.org/wiki/AR-15–style_rifle

    The AR-15 is nominally chambered in .223 Remington or 5.56×45mm NATO, with the .223 Wylde chamber allowing for the safe chambering of both, but many variants have been produced in different calibers such as .22 LR, 7.62×39mm, 9×19mm Parabellum, 6.5mm Grendel, and shotgun calibers.

  4. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...

  5. Mateba Autorevolver - Wikipedia

    en.wikipedia.org/wiki/Mateba_Autorevolver

    The Mateba Model 6 Unica (often known simply as the Mateba or the Mateba Autorevolver) is a recoil operated semi-automatic revolver, one of only a few of this type ever produced. It was developed by Mateba, based in Pavia, Italy. Inventor Emilio Ghisoni (1937–2008), who was also famous for later designing the Chiappa Rhino, is listed as the ...

  6. CD V-700 - Wikipedia

    en.wikipedia.org/wiki/CD_V-700

    CD V-700. The CD V-700 (often written as "CDV-700") is a Geiger counter employing a probe equipped with a Geiger–Müller tube, manufactured by several companies under contract to United States federal civil defense agencies in the 1950s and 1960s. While all models adhere to a similar size, shape, coloring and form-factor, there were ...

  7. Schematic - Wikipedia

    en.wikipedia.org/wiki/Schematic

    A semi-schematic diagram combines some of the abstraction of a purely schematic diagram with other elements displayed as realistically as possible, for various reasons. It is a compromise between a purely abstract diagram (e.g. the schematic of the Washington Metro) and an exclusively realistic representation (e.g. the corresponding aerial view of Washington).

  8. Ford Transit Connect - Wikipedia

    en.wikipedia.org/wiki/Ford_Transit_Connect

    Ford elected not to develop a direct sedan delivery version of the Focus, instead pursuing a purpose-built design. Sharing few components with the much larger Transit , the Transit Connect was built on a dedicated commercial vehicle platform C170 similar to the international Ford Focus , then common with the first generation North American Ford ...

  9. Circuit diagram - Wikipedia

    en.wikipedia.org/wiki/Circuit_diagram

    Circuit diagram. A circuit diagram (or: wiring diagram, electrical diagram, elementary diagram, electronic schematic) is a graphical representation of an electrical circuit. A pictorial circuit diagram uses simple images of components, while a schematic diagram shows the components and interconnections of the circuit using standardized symbolic ...