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  2. Forensic firearm examination - Wikipedia

    en.wikipedia.org/wiki/Forensic_firearm_examination

    The caliber is the diameter of the barrel. The twist is the direction of the striations left by the barrel's rifling, clockwise (right-handed) or counterclockwise (left-handed). Most barrels will have a right-handed twist with the exception of weapons created by the Colt's Manufacturing Company which uses left-handed twists.

  3. Syringe - Wikipedia

    en.wikipedia.org/wiki/Syringe

    A syringe is a simple reciprocating pump consisting of a plunger (though in modern syringes, it is actually a piston) that fits tightly within a cylindrical tube called a barrel. The plunger can be linearly pulled and pushed along the inside of the tube, allowing the syringe to take in and expel liquid or gas through a discharge orifice at the ...

  4. Demolition Ranch - Wikipedia

    en.wikipedia.org/wiki/Demolition_Ranch

    In addition, Demolition Ranch has videos of entertaining firearms-related activities such as shooting at an armored car's door, [10] microwaving a live grenade, [11] and shooting a truck with a tank. [12] In 2018, Demolition Ranch had to remove some of their videos due to new YouTube rules. [13]

  5. YouTube toughens policy on gun videos and youth; critics say ...

    www.aol.com/news/youtube-toughens-policy-gun...

    One video featured an elementary school-age girl wielding a handgun; another showed a shooter using a .50 caliber gun to fire on a dummy head filled with lifelike blood and brains.

  6. Gun barrel - Wikipedia

    en.wikipedia.org/wiki/Gun_barrel

    A gun barrel is a crucial part of gun-type weapons such as small firearms, artillery pieces, and air guns. It is the straight shooting tube, usually made of rigid high-strength metal , through which a contained rapid expansion of high-pressure gas(es) is used to propel a projectile out of the front end ( muzzle ) at a high velocity.

  7. Internal ballistics - Wikipedia

    en.wikipedia.org/wiki/Internal_ballistics

    Before the barrel can release the bullet in a consistent manner, it must grip the bullet in a consistent manner. The part of the barrel between where the bullet exits the cartridge, and engages the rifling, is called the "throat", and the length of the throat is the freebore. In some firearms, the freebore is zero as the act of chambering the ...

  8. Watch live: Biden, Harris deliver remarks on combatting gun ...

    www.aol.com/news/watch-live-biden-harris-deliver...

    President Biden and Vice President Harris are slated to deliver remarks Thursday afternoon on the administration’s efforts to address gun violence in the U.S. Biden is expected to issue an ...

  9. List of programs broadcast by Fox News - Wikipedia

    en.wikipedia.org/wiki/List_of_programs_broadcast...

    Airs live at 9:00am ET on the Fox Broadcasting Company. Studio 1, Washington, D.C. 3:00pm ET/12:00pm PT Fox News Live: Eric Shawn and Arthel Neville: 1999 Weekend hard news program. Studio J, New York City 4:00pm ET/1:00pm PT Fox Report Weekend: Jon Scott: September 13, 1999: News program. Studio G, New York City 5:00pm ET/2:00pm PT The Big ...