Introduction: Knex Pump-Action Shotgun PAS2000

Picture of Knex Pump-Action Shotgun PAS2000

Hello guys,
I'll show you how to make an easy knex shotgun.
with a pump-action system, so you can reload very easy
and fast !!

- it shoots about 50 ft !
- the magazine holds 20 rounds
- you can reload the magazine in 70 seconds
- you can shoot very fast !! (the whole magazine in less than 40 seconds)
- ...


Step 1: The Barrel

Picture of The Barrel

the barrel is not necessary, it is just for make it look cool

1) make 1 of this
2) make this 5 times
3) make this 2 times
4) Add everything together

Step 2: The Grip

Picture of The Grip

this is the foregrip:

1) make this 1 time
2) make this 2 times
3) make this
4) add everything together

Step 3: The Magazine

Picture of The Magazine

this is the magazine
it holds 20 rounds and it almost never blocks
it is very easy to reload.

1) make them both 2 times
2) make this 2 times
3) add everything together with white rods
4) make this

Step 4:

Picture of

1) make this
2) add this
3) add them all together

Step 5: The Trigger

Picture of The Trigger

this is the trigger:

1) make this one time
2) maek this 2 times
3) make this
4) add 1,2,3 together (1 in the middle )
5) make this
6) add 5 together
7) another picture of 6
8) add the two parts together

Step 6: Handle/ Pushpin

Picture of Handle/ Pushpin

this is the handle you'll need for relading

1) make them both 3 times
2) use 1 to make this
3) make this 2 times
4) make this
5) add 3 to 2 on both sides
6) add 4
7) make the pushpin
8) make this

Step 7:

Picture of

make this 2 times

Step 8: The Back

Picture of The Back

this is the back

1) make this 2 times
2) add blue rods
3) make this
4) add everything together

Step 9: Assembly

Picture of Assembly

add all the steps you have made before

1) add the magazine and step 4 together
2) add the trigger
3) add this part (see note)
4) add step 7 on both sides
5) add this part (see note) 
6) add the barrel
7) close up from the barrel (pay attention on the connection !!)
8) add the grip
9) add step 6
10) add the back of the gun

Step 10: Adding Rubber Bands

Picture of Adding Rubber Bands

1) sometimes you must connect 2 rubbers, use th reef-knot
2) add rubber bands to the gray connectors
3) use step 2 for the magazine
4) add rubber bands to the pushpin  (remove the back while adding the rubber bands)
5) put the back on again
6) add rubber bands to the handle
7) add a rubber band to the trigger

Step 11: How to Reload

Picture of How to Reload

this is how to reload, it is very easy !!

1) open the magazine
2) move the magazine pusher over here
3) fill the magazine with blue rods, move the pusher, close the magazine and done !


ridz14 (author)2012-12-30

it a good design
but, i missed out 2 small blue bits and when its under 16 bands on power it just blew up when i shot it ;(

Element Force (author)2012-05-05

I build it and it shoot like 2 feet

anres321 (author)Element Force2012-05-06

use more rubber bands !

Element Force (author)anres3212012-05-30

It have max rubber band on.

this happened with me, i was totally gutted, plz fix

yes me too

Element Force (author)2012-05-05

How many yellow connectors

can you make the part list because i am not sure that i will have it. i dont whant to destroy my gun

StarkIndustries (author)2010-10-31

I like it. It looks futuristic. I'm gonna build it after I finish my homework.

Does it ever jam/ have reliability issues?

anres321 (author)StarkIndustries2010-11-01

No, this gun almost never blocks and the mag doesnt block either !
the only problem you can have is that the pushpin falls apart if you use to much rubber bands but you can shoot very fast without blocking :p

dragon#1 (author)anres3212011-12-09

my fireing pin exploaded: )

anres321 (author)dragon#12011-12-10

yeah, thats a problem you can have with every gun :p just use less rubber bands or add duct tape to the fireing pin to hold the peaces in place

dragon#1 (author)anres3212011-12-17

or just dont dryfire

anres321 (author)dragon#12011-12-18

yeah indeed ! if you dont use any ammo your fireing pin wont be slown down and will deconnect.

dragon#1 (author)anres3212012-01-06

hahahaha i learned it the hard way

anres321 (author)dragon#12012-01-07

probably the best way !! :p

dragon#1 (author)anres3212012-01-07

good gun by the way 5* also could you turn it into a rifle?????????? pleaseÔÔ

anres321 (author)dragon#12012-01-08

how do you mean ? just make it look more like a normal gun ?

dragon#1 (author)anres3212012-01-08

shoot 1 peise instead of 3=)

anres321 (author)dragon#12012-01-09

Sorry bro, I really don't have time for this anymore, vacation is just over... It has been a very long time since i have seen my knex :p maybe you can find someone else to do it for you ?

dragon#1 (author)anres3212012-01-09

or i could do it

anres321 (author)dragon#12012-01-09

If you do it be sure to post some pictures or something !!

dragon#1 (author)anres3212012-01-09

ill do it but i need your permishon

anres321 (author)dragon#12012-01-19

yeah, go ahead !! I would love it if you make it and put some kind of credits in there.

dragon#1 (author)anres3212012-02-16

since u made it u will get some credit

dragon#1 (author)anres3212012-01-08

also puting the mag sideways like in cod 3 (the old one)

instructaguy (author)anres3212012-01-16

my ammo got jammed so i dont like the gun that much anymore

anres321 (author)instructaguy2012-01-16

do you use the pusher of the mag ? because if you dont use it the impact of the pushpin will cause the ammo to be launched in the mag and they will not be horizontaly anymore

instructaguy (author)anres3212012-01-18

what do you mean by pusher sorry

anres321 (author)instructaguy2012-01-19

I mean the stuff you see in the third picture, step 10. It is used for pushing the bullets down.

instructaguy (author)anres3212012-01-18

sorry read again and yeah i do, i built it twice step by step and i didnt work and i really liked the design.

instructaguy (author)2012-01-15

i made this gun before quiet a while ago and it didnt work. i tried fixing it and i didnt do very well. because it looks so cool and in the video it is so awesome(best gun ive honestly seen). before when itried to build it i did it on my phone but i have a netbook now so hopefully it will be easier, and will work. cool gun man im gunna subscribe, and hopefully it will work.

knexinventer (author)2011-08-01

i just finnished rebuilding this gun and i am gonna use it on youtube

anres321 (author)knexinventer2012-01-09

did you actually use this gun on youtube ? if so, plz send me the link

knexinventer (author)anres3212012-01-09

anres321 (author)knexinventer2012-01-10

Awesome !! great to see one of my guns on youtube !

anres321 (author)knexinventer2011-08-02

Great !! send me a message if you have uploaded it :p

knexinventer (author)anres3212011-08-02

here it is i shortend a lot of it

anres321 (author)knexinventer2011-08-02

after a while I did just the same thing with my gun :p I needed some pieces of the barrel so I also shortened the barrel :p

daredevil499 (author)2011-12-05

This is cool great instructable

sniper_lover (author)2011-08-01

muhahaha >:D now, my big brother is DEAD XD!!!! (not really of course)

thx you sooooooo much :D great gun!!

anres321 (author)sniper_lover2011-08-01

thanks BTW I advise you not to kill your brother but anyway,, good luck :p

killersir751 (author)2011-07-23

I'm gonna buy more knex but all I have to spent is £20.
Where would you reccommend buying knex?
The actual knex store (, Amazon or any other sites (I don't trus Ebay)?

anres321 (author)killersir7512011-08-01

Sorry for the late response,, I didn't saw this comment :p Actually I didn't bought the last 8 years,, I have so much knex that I've never had the problem of having not enough knex to built somthing. I would buy it on ebay but maybe you can find other websites and try to contact someone personally. you can always try to put a question on instructables,, maybe there is someone on instructables who wants to sell you some knex :p

ronaldoman123 (author)2011-04-09

Please, someone help me.
I built the entire gun except for the barrel.
And when I put one bullet in, it shoots fine. But when I but a couple bullets in the mag, nothing shoots. I have tried it with and without the part that pushes the bullet down. Some help would be appreciated.

anres321 (author)ronaldoman1232011-04-09

it could be that your 'pushpin' is not totaly straight and pushes 2 bullets at the same time, so the opening will not be big enoug for 2 bullets at the same time

ronaldoman123 (author)anres3212011-04-10

Ill Try

Its a shotgun it's supposed to shoot more than 1 shot

ronaldoman123 (author)anres3212011-04-10

Thanks, One Thing though.
When i pull BACK the pushpin, the mag drops 2 Bullets in.
So I do not think it is the pushpin.
Any other ideas?

anres321 (author)ronaldoman1232011-04-11

sorry I dont know what is :(
I have never had problems with this gun.
maybe you made a mistake

About This Instructable




Bio: hello everybody plz take a look to my instructables and tell me what you think from them.
More by anres321:GT5 - Send A Car To A Friend Without Losing Him !!My Most Powerfull Knex Gun EVER MADE !!! 120ft+ !!Knex Pump-Action Shotgun PAS2000
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