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  2. Improvised firearm - Wikipedia

    en.wikipedia.org/wiki/Improvised_firearm

    The Brocock Air Cartridge System, for example, uses a self-contained "cartridge" roughly the size of a .38 Special cartridge, which contains an air reservoir, valve, and a .22 caliber (5.5 mm) pellet. Examples of BACS airguns converted to firearms, either by drilling the barrel out to fire a .38 Special cartridge or by altering the cylinder to ...

  3. Wooden bullet - Wikipedia

    en.wikipedia.org/wiki/Wooden_bullet

    During the 1999 WTO anti-globalization movement in Seattle, the police shot wooden bullets at protesters. [4] A team of research engineers in Wisconsin used 12-foot-long (3.7 m), 15-pound (6.8 kg), 2-by-4 pine bullets propelled at 100 miles per hour (45 m/s) by an air cannon to test the resistance of tornado shelters made of wood. [5]

  4. Forensic firearm examination - Wikipedia

    en.wikipedia.org/wiki/Forensic_firearm_examination

    Forensic firearm examination is the forensic process of examining the characteristics of firearms or bullets left behind at a crime scene.Specialists in this field try to link bullets to weapons and weapons to individuals.

  5. 37 mm flare - Wikipedia

    en.wikipedia.org/wiki/37_mm_flare

    37 mm flare or "1.5 inch" caliber is the specification for a common launching system for non-lethal and less-lethal ammunition. Such launchers are also often known as "gas guns" due to their original use by police for launching tear gas projectiles.

  6. Knight's Armament Company PDW - Wikipedia

    en.wikipedia.org/wiki/Knight's_Armament_Company_PDW

    The KAC PDW fires a 6×35 mm cartridge, which is over a centimeter shorter than the 5.56×45mm NATO round. The 6mm bullet is slightly wider, and the standard 6×35mm bullet slightly heavier, than the standard 5.56mm bullet (65 grains (4.2 g) versus 62 grains (4.0 g)).

  7. Automated firearms identification - Wikipedia

    en.wikipedia.org/wiki/Automated_firearms...

    Automated Firearms Identification has its roots in the United States, the country with the highest per capita firearms ownership. [1] [2] In 1993, the Federal Bureau of Investigation commissioned Mnemonics Systems Inc. to develop Drugfire, which enabled law enforcement agencies to capture images of cartridge casings into computers, and automate the process of comparing a suspect cartridge ...

  8. Microstamping - Wikipedia

    en.wikipedia.org/wiki/Microstamping

    When the gun is fired, these etchings are transferred to the primer by the firing pin and to the cartridge case head by the breech face, using the pressure created when a round is fired. After being fired, if the cases are recovered by police, the microscopic markings imprinted on the cartridges can then be examined by forensic ballistics ...

  9. Unsafe firearm and cartridge combinations - Wikipedia

    en.wikipedia.org/wiki/Unsafe_firearm_and...

    Unsafe firearm and cartridge combinations are combinations of firearms and cartridges which can cause an unsafe condition for the shooter when firing. The unsafe condition can arise due to use of a cartridge intended for another chambering (see SAAMI list below), or using overpressure ammunition in a firearm not designed for such pressures, or ...