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This is a KNEX Halo Plasma Pistol. Please remember that I did not make this. This gun is property of Halo 123 Guns. He created this gun from Halo 3. Once again, it is a gear RBG (rubber band gun) plasma pistol from the hit shooter game Halo. I made this instructable for easier instructions.

*Some Mods. By Me*

Step 1: The Frame

The frame of the gun is what is shown below. Be sure to make two of them, one for each side.

Step 2: Some Add-Ons

Here are some add-ons to the frame.

1-2) Filler Thingy
3) Where the Filler Thingy Goes
4) Another Filler Thingy
5) Where the other Filler Thingy goes
6) Once again...hm... what is it?... oh yeah, a... FILLER THINGY
7) Where the last filler thingy goes

Step 3: Firing System and Trigger

This is the firing system. Instead of a white connector with eight white rods for the rubber band holder, it uses two gears, giving it the maximum hold of 35 rubber bands. The trigger is pretty simple.

1) Make two of these
2) The Trigger
3) Where It All Goes (sorry for blur)

Step 4: The Handy Handle Helper

This is just three yellow connectors on a blue rod attached to the handle.

1) Attach this to the handle.

Step 5: The Top Rail

Just a rail. The rubber band goes on here.

1) Make this
2) Add These
3) And These

Step 6: FINISHED!!!

I think you get where the rubber bands go. As for the trigger, get a rubber band and stretch it on both sides to the third rod from the trigger.
umm what is the filler thingy i can't figure out how to build it
it's huge.
 is this semi auto? i love semi auto
It's pseudo semi-automatic, whereas you load the rubber bands on then pull the trigger to fire. ALL YOU DO TO FIRE IS PULL THE TRIGGER REPETITIVELY. That's what makes it so fun. :)
 :D
it is semi auto in the sense of 'pulling the trigger and firing'. (like my halo gun) However, it is a completely debatable topic, so I was unwilling to put 'Semi-auto' on this one. (also, this model isn't mine)
 this is a good photo. it really helped me because of the PoV you used.
 cool!
Well that's quite cool!! I just might build and make it shoot connectors.
ooodammo sounds like a better path...
ITS NOT A PLASMA PISTOL. its looks more like a spiker.
i will make a plasma pistol!!!!! actually i did Look lol watch for a slideshow or instructable!! It is blunt force and it hurts like Heck lol.
//www.instructables.com/id/Plasma_Pistol_From_Halo_123/ ] That is mt link for my pistol Slideshow.!
i mean iff u make the rubber bands attached u can make some mag i the middle so the rubber band will ake the rod s\to the end. Cuz the rubber band shoots off, But now to ROD and the RUBBER BAND wil go together so you will have a gun that shoots like 20 bullet,s without reloading .. xD
my trigger doesn't work it end up already touching the gears and not being able to move
its supposed to touch the gears. It turns the gears.
Hey man i came with a idea but now really able to make it jet its just an idea, Behind the rubberbands. Make some magazine so it can shoot rods wirhout reloading all time xD try making it (can be usefull this xD)
<a rel="nofollow" href="https://www.instructables.com/id/Knex_Halo_3_Plasma_Rifle/">Check out my Plasma Rifle</a><br/>
is pineapple bob the great sgt milk on youtube??!!! or were u just showing him that video just because?
Are you talking about the genious who made that big halo gatling gun thing? No, that's not me... ( I totally wish it was me)
ok cause that gun is PIMPED!!!!
I wish to be its ho. Lol, Jk
Hello, I am Halo123Guns.I made this gun,but thanks for the instruction ;)Do you make some knives on it?
sweet, i never thought to turn it into a brute spiker
i've combined the handle and firing mech and the 7 shot rifle, i only had 1 problem, the elastics i have are too big and stretchy i'ma work on it now
i am missing the plasma part.
i changed a couple of stoof for the gun, it seems more accurate, but i love the look and how you can shoot as fast as you can pull the trigger =] nice gun halo123guns<br/>
hey thats my mechanism! <a rel="nofollow" href="https://www.instructables.com/id/knex-rubberband-repeater-that-uses-gears/">https://www.instructables.com/id/knex-rubberband-repeater-that-uses-gears/</a><br/>
you didn't invent it though
YOUR RUBBER BAND GUN THAT USES GERS DOWS NOT WORK!!!!
Mine, or his?
Oh, I guess it is. The trigger seams to be the same, as well. I didn't make this gun, though, so don't be mad at me.
pineapple bob the great please can you do instructions for the most amazing knex gun of all time this its not mine<br/><br/><a rel="nofollow" href="http://uk.youtube.com/watch?v=qvCdohnsK1c">http://uk.youtube.com/watch?v=qvCdohnsK1c</a><br/>
i've seen that. Impossible. I just...can't...do it!
Oh no.....PineapplebobTheGreat has....GIVEN UP!
Yeah.... sorry...
i have made something like that with a removable thing like that. very cool. but i distroyed it.
nooooooooooooooooooooooooooooooooooooooooo nooooooooooooooooooooooooooooooooooooooooooo why why why..............how could you its so awsome.
i dk. i could probely build it again.
yes please and show me some pictures or make an insructable of it.
ok i will get to work.
tyvm
yea. i have no idea how long it will take me.
id mind. just as long as you get a few pics i will be happy.
well i will work on it.
thanks dsman1 and i like your new profile picture.
thanks. i finished the barrels i used. i will take a pic when i have time for you. also can you read my new profile picture?
cool thaks the thing i couldn't understand was the body.
sorry that might of sounded rude what i meant was i could't build any of it but i understood how i all worked.
i am really sorry! but right now with my moded SR-V1 and the pack sniper built. i am making a order to knex.com(not just because of you but i need some more peaces). so i will get back to you on the gun. mostely just design the gun by taking a lot of 3d blue peaces and conecting them with green rods to make the shape of the gun. i will make the trigger system for you.

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