Picture of 30 Second Pen Gun
Super easy pen gun. All that you need is a Pilot G2 pen or similar pen. (They have easy access to the spring.)
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Step 1: Get a Pilot G2 Pen

Picture of Get a Pilot G2 Pen
Come on people, this step takes five seconds. If you don't have one, you can find them on the ground at school. Once you have obtained this then you can begin with the rest of the steps

Step 2: Disassembly

Picture of Disassembly
Disassemble the pen (don't bother with the small white piece at the end of the pen near the clip) That's all you need for this step.

Step 3: Put the Spring on the Writing end of the Pen

Picture of Put the Spring on the Writing end of the Pen
Put the spring on the pen.

Step 4: Put the writing part into the "Chamber"

Picture of Put the writing part into the
Shove the pen in there- just not too hard. You don't want it in there too hard.

Step 5: Put the cap back on the pen

Picture of Put the cap back on the pen
Put the cap back on- just barely, if you bump it- it will fall off. Then for firing just click the pen and it should get at least 10 - 20 feet depending on how hard you press it. For variation you might want to glue the cap to the end of the writing part.
skrilllex2 years ago
i made a better version of this,first u take it apart so that none of the peixces r still inside. so u put the button that u click in then the spring then the other tiny peice and screw in the front part back in and get a saw and saw away part of the front so its wide enough for an ink tube(from a bic pen or another type of pen) 2 fit in, but b careful to not cut it to muck or else the spring and all the other little peices go flying ever where . to load it u just stick in the ink tube and keep trying until the spring locks(sometimes this doesnt work on some unlucky pilot pens) then press the button and it shoots it.
_Scratch_3 years ago
I do this at school all the time, freaks people out if you shoot over their head.
luftwaffe293 years ago
This is dangerous. I once had a friend who fires this into one guys eye. Be safe while playing with this as it could hurt.

nugget504 years ago
wat does it shoot
I think it shoots the cap of the pen it says
The cap.
killer4 years ago
Plo Koon4 years ago
Plo Koon4 years ago
Cool. when i fired it, i lost the cap :( Then i found it again :)
nccm124 years ago
I like it.
polar5684 years ago
i think its cool i did it with a pen (not the one you had mentioned) and it worked great not 10-20 feet but still cool (maybe 5 feet)
T3hpw9ag3 (author) 7 years ago
This is my first Instrucable, please be fair and comment on how to make it better.
I like this idea, but it would be nice if there was a way to keep the spring from falling out.
you could tape or glue the spring to the ink cartridge
stopanator5 years ago
i do this all the time plus i did it without this i knew how to make for longest time now
sharlston5 years ago
oh thats well cool the writing part is the pen barrel or the cartridge
EnigmaMax5 years ago
nice! never thought of that before.
fabz136 years ago
i already knew you could do that
T3hpw9ag3 (author)  fabz136 years ago
this is for the informative purpose for others....
T3hpw9ag3 (author)  fabz136 years ago
and i had this on here first..... so the people that DONT know can use it