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2. Tubes and primers for ammunition - Wikipedia

   en.wikipedia.org/wiki/Tubes_and_primers_for...

   The striker of the gun strikes the cap and fires the mixture. For larger guns an electric primer is used, the internal construction and action of which are precisely similar to the wireless tube already described; the exterior is screwed for the case. For percussion firing an ordinary percussion tube is placed in an adapter screwed into the case.

3. Primer (firearms) - Wikipedia

   en.wikipedia.org/wiki/Primer_(firearms)

   Primer (firearms) In firearms and artillery, the primer ( / ˈpraɪmər /) is the chemical and/or device responsible for initiating the propellant combustion that will propel the projectiles out of the gun barrel . In early black powder guns such as muzzleloaders, the primer was essentially the same chemical as the main propellant (albeit ...

4. Centerfire ammunition - Wikipedia

   en.wikipedia.org/wiki/Centerfire_ammunition

   Centerfire ammunition. Two rounds of .357 Magnum, a centerfire cartridge; notice the circular primer in the center. A centre-fire (or centrefire) is a type of metallic cartridge used in firearms, where the primer is located at the center of the base of its casing (i.e. "case head"). Unlike rimfire cartridges, the centerfire primer is typically ...

5. Firing pin - Wikipedia

   en.wikipedia.org/wiki/Firing_pin

   The hammer and fixed firing pin of a Smith & Wesson Model 13 revolver. A firing pin or striker is a part of the firing mechanism of a firearm that impacts the primer in the base of a cartridge and causes it to fire. In firearms terminology, a striker is a particular type of firing pin where a compressed spring acts directly on the firing pin to ...

6. Scientists, a journalist and even a bakery worker are among ...

   www.aol.com/news/scientists-journalist-even...

   Ivan Safronov, a former journalist who went on to work for the Russian space agency Roscosmos, was arrested in 2020 and accused of passing military secrets to Czech intelligence and a German ...

7. Percussion cap - Wikipedia

   en.wikipedia.org/wiki/Percussion_cap

   Percussion caps have been manufactured in various sizes to fit snugly over different sized nipples. Nipples for 4.5mm and 6mm percussion caps. The percussion cap, percussion primer, or caplock, introduced in the early 1820s, is a type of single-use percussion ignition device for muzzle loader firearm locks enabling them to fire reliably in any weather condition. [1]