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One-shot Pen Gun

Self-protection disguised as an ordinary pen.
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Appears to be an average pen, but inside it is coated with metal and has a small bullet and two reactive chemicals separated by a barrier. The chemical reaction is triggered when the pen's shirt-clip-thingy is pulled out, and the bullet is propelled down the shaft of the pen. This sounds like something James Bond would have, so forgive me if this has already been done in a movie.
jivetalkinrobot, Jul 29 2003

(?) PenGun http://www.stingerpengun.com/stinger.htm
[Klaatu, Oct 05 2004, last modified Oct 17 2004]

Stinger pen gun http://pengun.com/
Other link seemed faulty. [ye_river_xiv, Dec 20 2011]

[link]






       //This sounds like something James Bond would have, so forgive me if this has already been done in a movie.//
Forgiven. but close to [mfd]
gnomethang, Jul 29 2003
  

       But James Bond didn't have a machine-gun pen or rail-gun pen, so figure out a way to do that and you're golden.
DeathNinja, Jul 29 2003
  

       Isn't this baked as the Linux mascot?
snarfyguy, Jul 29 2003
  

       This seems original to me, given the reactive binary chemical thing. I do think that the timing of the firing might be a little, er, unpredictable but, hey, it's halfbaked, whaddya' expect?   

       [gnomethang] I think the mfd should come off this idea.
bristolz, Jul 29 2003
  

       OK [Bris], mfd away but James Bond did have a one shot pen gun (Sean played him at the time). I'll try and find a linky.
gnomethang, Jul 30 2003
  

       OK, so this is a combination with a James Bond pen gun and the Impossible Mission exploding chewing gum?
FloridaManatee, Jul 30 2003
  

       I hope it has a safety catch.
saker, Jul 30 2003
  

       Where's 8th when you need him!
oneoffdave, Jul 30 2003
  

       do you ever *need* 8th?
po, Jul 30 2003
  

       Well more his particular insight [po].
oneoffdave, Jul 30 2003
  

       They have existed for years. I bought one in a town called Derra in Pakistan, near the Afghan border in 1991. It uses a normal bullet, inserted by unscrewing the pen in the middle. The pointy end also unscrewed as you had to take it off before firing. The firing mechanism was a simple spring-loaded bar that came out the blunt end. It's very heavy and, sadly, doesn't work as a pen. I never tried it, having heard stories of people who did losing fingers...
Spatial, Jul 30 2003
  

       Yeah, they have had these for years for CIA agents and such. I do believe they have ones that acuatly work like a pen too.
DarkRanger, Jul 30 2003
  

       give me an umbrella any day.
po, Jul 30 2003
  

       This is just an unsafe(for the user) spin on a widely baked technology that has been accidentally blowing the fingers off of CIA agents for abotu 50 years. In fact one was found at a restaraunt in Chicago a few years ago, it had a single .22 round inside that almost shot the guy who found it. He had taken it home to fiddle with and accidentally released the firing pin. This chemical reaction propelled version just adds the risk of the chemicals leaking into your pocket.
whatastrangeperson, Dec 21 2003
  

       Totally baked since WWII. The current rendition of this is the pengun. <link> Isn't gunpowder "reactive"? How is this any different?
Klaatu, Dec 22 2003
  

       It seems like everything you write with such a pen would look about the same.
bungston, Dec 20 2011
  

       Yes - ideal for religious tracts; everything you wrote would be Holey ...   

       <silence>   

       <Single slow handclap>   

       // Where's 8th when you need him! //   

       We were watching you though a telescopic sight, actually ...   

       // do you ever *need* 8th? //   

       Certainly. When the Great Zombie Vampire Cat Conspiracy finally makes its move to take over your miserable little planet, you'll definitely want to be our bestest friend ever. And don't think The Doctor is going to bail you out - everyone knows he's kind to children and animals.   

       Wimp.
8th of 7, Dec 20 2011
  
      
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