Introduction: Knex Full Auto V5

Picture of Knex Full Auto V5

Hello! This is my K'nex full auto V5. Some of you have asked for it so i posted it. So, here it is!

Step 1: Stock and Friction Mech

Picture of Stock and Friction Mech

Here is the friction Mech. It slows the Release Mech down.

Step 2: Handle and Trigger

Picture of Handle and Trigger

This is the handle and trigger

Step 3: Release Mech

Picture of Release Mech

This is the release mech

Step 4: Fake Barrel and Mag

Picture of Fake Barrel and Mag

The barrel can be different lengths but i like it this long.

Step 5: Assembly

Picture of Assembly

Here is how to assemble it.

Step 6: Finished!

Picture of Finished!

there you go you have finished. to load put elastics like you would on a normal rbg but when you put a band on turn it back 4 clicks and then put another one on. hope you enjoy!

Step 7: Mods

Picture of Mods

i will post any mods here


mahmel (author)2012-01-19

hahaha incredible, I am trying to make my own full auto gun for days and now I see I created a mechanism that you came up 2,5 years ago!

TheAwesomestDude (author)2011-05-21

do u need to cut the rod for this step?

Yes; the gun will not work if you don't.

cerj (author)2009-09-01

Does the Friction Mech cause recoil?

Millawi Legend (author)cerj2009-09-20

Yes, quite a bit which i think is cool.

But anyway build v6 its alot better.

cerj (author)Millawi Legend2009-09-20

coool. i'll have a look. btw i'm making a ppsh with your idea. hope that's alright. it has a drum mag that actually works (not like the real one though.). it's just a normal mag with 2 semi circles on each side lol

Millawi Legend (author)cerj2010-04-01

Still building it?

cerj (author)Millawi Legend2010-04-01

OOPS! Sorry i forgot to say. i gave up ages ago lol. it looked so ugly LMAO. I've gone back to gaming, uploading vids of them & listening to dubstep =P

cj81499 (author)2009-10-17

do you need to cut the rods?

agent harmsy (author)2009-07-04

Hmm... I liked the look of it as a slideshow, so I decided to build it (didn't know about the cut parts :S :S) I finished it, put it through some tests, and found it is the best full auto RBG 'on the market', as well as being a new mech design to boot. BUT This, like all RBGs is doomed to a low ammo count, and each rubber band added also adds pressure, I was using postal (thick red) rubberbands, then old #64s, then skinny bands of the same size, then some really skinny ones, but the maximum it could hold was about 10-13. Another problem was that with the skinny bands, when there were a lot of them, it was harder to pull the trigger, and also it burst fired, whereas when there were few bands, there was barely enough power to activate the friction mech. On the positive side, it is a very good concept gun, and I look forward to seeing the new models this may inspire. 4*

(4th frickin comment) I am posting a new version that has a way stronger trigger and is smaller and i got it to hold 15 really skinny elastics.

(lol sorry 3rd comment) i have improved the stock aswell.

And, yes the trigger sucks.

If this was mainly a compliment, then thanks!

ceaser47 (author)2009-07-11

is it really full auto cuz i want to know before i build it. it looks awesome

Millawi Legend (author)ceaser472009-07-12

yes it is.

No it's Semi-Automatic Here's Why Semi-Auto-All you need to do to fire is pull the trigger for every bullet shot (this gun) Full-Auto-All you need to do is hold down the trigger and the bullets will keep shooting until the magazine (or chain) runs out of ammo.

What I'm saying is that it fires like a full auto.

stopanator (author)2009-08-20

full auto as shot gun or full auto like machine gun style

Machine gun style.

Not like it releases them all at one like it goes duh duh duh duh duh duh duh duh duh duh duh duh duh

gtrain (author)2009-08-19

range? also i've made a motorised full auto knex gun which looks a bit like yours.

DJ Radio (author)2009-07-02

It seems like a good RBG. The stock does seem weak, but that doesnt have a fast fix anytime soon.

Millawi Legend (author)DJ Radio2009-07-03

Yeah, the stock is a bit flimsy but i will make a new one and post a pic.

DJ Radio (author)Millawi Legend2009-07-05

I might make a gun based off this one. 5*

Millawi Legend (author)DJ Radio2009-07-06

Cool u can post it if u want.

DJ Radio (author)Millawi Legend2009-07-11

nevermind, you seem to have done what I was planning to do. Also, it uses too many cut parts for comfort.

DrWeird117 (author)2009-07-03

Is it burst?

nope its fires very controled

Sweet. Building.

stale56 (author)2009-07-01

I just realised that ours use different friction mechs. Yours looks like it has connectors sliding on a rod for the friction, mine uses grey gears for the friction. Yours also seems more reliable because of that.

About This Instructable




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