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  2. List of 3D-printed weapons and parts - Wikipedia

    en.wikipedia.org/wiki/List_of_3D-printed_weapons...

    .22 caliber barrel liner, spring, fasteners .22 LR: A mostly printed .22 LR pistol. Uses a DIY metal barrel, firing pin, and spring. Simple and extremely cheap, designed to cost $5-$8. Commonly created to be sold at gun buybacks for profit. [34] A large number of remixes and variants of this design have been created. The Urutau [35] [36] [37 ...

  3. 3D-printed firearm - Wikipedia

    en.wikipedia.org/wiki/3D-printed_firearm

    In May 2013, the American company Defense Distributed published plans for the first complete firearm that could be downloaded and reproduced by anyone with a desktop 3D printer. [ 4 ] [ 5 ] Defense Distributed also designed the first generation of 3D-printed AR-15 –type rifle receivers and magazines. [ 6 ]

  4. Gun safe - Wikipedia

    en.wikipedia.org/wiki/Gun_safe

    An example (open and closed) of a typical gun safe. A gun safe is a safe designed for storing one or more firearms and/or ammunitions.Gun safes are primarily used to prevent access by unauthorized or unqualified persons (such as children), for burglary protection and, in more capable safes, to protect the contents from damage by flood, fire or other natural disasters.

  5. Homemade firearm - Wikipedia

    en.wikipedia.org/wiki/Homemade_firearm

    Receiver blanks in various stages of completion. Receiver blanks are often used in the manufacture of homemade firearms. A homemade firearm, also called a ghost gun or privately made firearm, is a firearm made by a private individual, in contrast to one produced by a corporate or government entity. [1]

  6. Improvised firearm - Wikipedia

    en.wikipedia.org/wiki/Improvised_firearm

    In 2012, the U.S.-based group Defense Distributed disclosed plans to design a working plastic gun that could be downloaded and reproduced by anybody with a 3D printer. [ 38 ] [ 39 ] The Liberator is a physible , 3D-printable single shot handgun , the first such printable firearm design made widely available online.

  7. Gun barrel - Wikipedia

    en.wikipedia.org/wiki/Gun_barrel

    A female worker boring out the barrel of a Lee-Enfield rifle during WWI. Gun barrels are usually made of some type of metal or metal alloy.However, during the late Tang dynasty, Chinese inventors discovered gunpowder, and used bamboo, which has a strong, naturally tubular stalk and is cheaper to obtain and process, as the first barrels in gunpowder projectile weapons such as fire lances. [2]

  8. Electro-galvanic oxygen sensor - Wikipedia

    en.wikipedia.org/wiki/Electro-galvanic_oxygen_sensor

    Electro-galvanic fuel cell as used in a diving rebreather to measure the partial pressure of oxygen. Two oxygen cells as used by oxygen analysers for diving gas showing commonly used connectors. An electro-galvanic fuel cell is an electrochemical device which consumes a fuel to produce an electrical output by a chemical reaction.

  9. Gas cylinder - Wikipedia

    en.wikipedia.org/wiki/Gas_cylinder

    Oxidisers such as oxygen and fluorine will produce a similar effect by accelerating combustion in the area affected. If the cylinder's contents are liquid, but become a gas at ambient conditions, this is commonly referred to as a boiling liquid expanding vapour explosion (BLEVE).

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