Introduction: Oblivitus' Beast Pistol

Picture of Oblivitus' Beast Pistol

Description: Featuring a new 4 finger firing pull for more power, and 6 round high caliber (gray rod) hopper with ammo securing and a breach around the center of the gun to quickly load in ammo, the Beast Pistol can be loaded, cocked, and fired all while running and yet cuts through cardboard boxes and fires 50 feet, packing a greater punch than the Ultra Pistol before it.

Approximate Size
Length: 16 inches (barrel)
Height: 5 inches (trigger area)
Width: 2 inches (barrel)

Wielded: 2 hands
Range: 50 feet
Damage: penetrates cardboard
Max Accuracy: 4 square inch target from 15 feet
Ammo: large gray rods
Capacity: 6 rounds (low ammo in the hopper makes it harder to fire)
Fires: 1 round per trigger pull
Rate Of Fire: rear pin action (cock, fire)

- Jollex (maker of the DD-27 Pistol that this was originally based on)
- dsman (maker of the DD-27 Assault Rifle that Jollex's Pistol was based on)

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Step 1: Handle

Picture of Handle

1: Make this.
2: Make this. Add it on top of 1.
3: Make this. Add it on top of 2.
4: Make this.
5: Add part 4 to parts 1-3.
6: Make this.
7: Add it.
8: Final product. Set this aside for now.

Step 2: Handle Connector

Picture of Handle Connector

1: Make this.
2: Make this.
3: Make this.
4: Combine 1-3.
5: Add a blue rod as pictured.
6: Combine with the handle you made earlier.
7: Add a blue rod with a gray, one slot connector.
8: Add a white rod and a tan connector as pictured.
9: Add a blue rod as pictured.
10: The finished product. Set this aside for now.

Step 3: Trigger Assembly

Picture of Trigger Assembly

1: Make this.
2: Add green rods and a blue connector.
3: Make this. (The black pieces represent Y connectors.)
4: Add on the part from picure 3 and add 2 gray connectors to each side.
5: Add 3 blue spacers.
6: Make this.
7: Add it on.
8: Make this.
9: Make this (the black piece represents a y connector).
10: Attach 8 and 9.
11: Make this.
12: Attach it as pictured.
13: Make this.
14: Attach it as pictured.
15: Remove the yellow rod with a note on it (sorry, I should not have added this so early on, it was a mistake).
16: Make this.
17: Make this
18: Combine 16 and 17.
19: Add a green rod to the trigger as pictured. Tape it in place (preferrably with office tape).
20: Cut half of the noted green rod at the top of the trigger off with scissors (you can use a y connector if you prefer but it will break occasionally and need to be replaced).
21: Attach the trigger to the gun.
22: Attach the handle to the trigger assembly. Add an elastic as instructed.
23: Make this.
24: Attach it as pictured and noted.
25: The finished product, set this aside for now.

Step 4: Barrel, Hopper, and Sights

Picture of Barrel, Hopper, and Sights

1: Make this, look at the notes for the locations of blue rods.
2: Add 2 blue spacers to each of the noted blue rods.
3: Make this.
4: Add it on top of the rest of the barrel/hopper Don't cover over the spacers.
5: Repeat steps 1-4 but do not add more spacers or rods, then add it to the rest of the barrel/hopper as pictured (you are mirroring the design) (the yellow connectors that you added in the last 2 steps do not show up in any other pictures from now on because I added it in at the last minute, so don't remove them)
6: Remove the noted parts.
7: Make this (the 3 black rods represent y connectors).
8: Make this (the black piece represents a ball socket joint connector).
9: Make this.
10: Combine 9 and 10.
11: Attach 7-10 to the barrel/hopper where you removed the green connectors in 6. Add a yellow connector where noted.
12: Add a y connector where noted.
13/14: Make this (there are 2 different views, just make the part once).
15: Add 13/14 to the rest of the hopper/barrel.
16/17: Make this (the gray connector has been cut)(there are 2 different views, just make the part once).
18: Add it where shown.
19: Attach it to the rest of the gun.

Step 5: Finishing Touches

Picture of Finishing Touches

1: Add yellow connector and white rod side panels (look at the notes for the placement of small elastics to hold the panels on)(the panels just make the gun flat on top and look cooler, so it is optional).
2: Make this firing rod and add tape as noted(it is a 4 finger pull).
3: Put the firing rod in the back end of the barrel and attach elastics and add tape as noted.

To fire, load ammo into the hopper where the cut gray connector is and pull back the firing pin with 4 fingers - 2 on each side.

Step 6: Destroy Everything and Start Over

Picture of Destroy Everything and Start Over

Don't really drop a bomb on it, I was just kidding, haha. You are done! Enjoy the destruction!


slytherskydragon (author)2010-10-31

lol i shot my cat with it :P

did he explode?(hint:say yes...)


Dude826Dude (author)2017-06-24

this totally rocks ya !!!!!!!!!!!!!!!!!!!!!!

jaffawarrior1 (author)2013-04-05

I might build this but because of cerebral palsy I don't think it'll be easy to hold it with my disabled arm could I use it one handed?

Oblivitus (author)jaffawarrior12013-04-05

You could hold it with one hand by the handle, yes. You'll still need to pull back the pin with the other hand of course.

jaffawarrior1 (author)Oblivitus2013-04-29

Cool thanx I might if I have enough pieces because I built your up3 and loved it

Oblivitus (author)jaffawarrior12013-05-01

Your welcome, cool.

Fred the evil puppet (author)2011-05-12

'1. On pic 3, do the little green rods (bb's) clip into the 3-4 connectors, and the 4-5 connectors? does pic 4 work?

Tucber (author)2011-02-03

What program do you use to make these pictures?

MarijnS95 (author)Tucber2011-02-04

What did he say?
Click here if you want to make 3D knex models: 


Oblivitus (author)MarijnS952011-02-05

I know, right?

Tucber (author)Oblivitus2011-02-08

Know what?

Tucber (author)MarijnS952011-02-08

I went to that address, downloaded the Zip thing and it came up with a folder full of loads of other folders and other strange stuff. How PRECISELY do I make my computer get to the point where I can make 3D K'NEX models such as the ones above?

lilnorm123 (author)2010-11-15

You were kidding.......darn

username299 (author)2010-11-11

where do you put the ammo`

sukinmaru (author)2010-10-17

I have no idea how to put #64's on this thing. If anyone has a suggestion to lend it would be very, very nice. please?

sukinmaru (author)sukinmaru2010-10-18

nevermind figured it out.
THIS GUN IS AWESOME! it shoots straight through boxes and i love it's weight/looks. 5/5, fav'ed and subbed, keep up the awesomness :D

dudemanvango (author)2009-11-28

what does a ball socket thingy look like. im sure i have it but i dont no what it looks like.

Furloy (author)dudemanvango2010-07-22

on the sights? no need the blue rod slightly closer to the front of the gun will swork fine, just snap 2 one way grays or purple on it on either side of the spacers

Oblivitus (author)dudemanvango2009-11-28

It's black and looks like an orange connector cut in half.

mad_scientist (author)2009-07-19

Just so you know, the hinge pieces in the trigger can be replaced by the creative use of gray connectors. I completed the gun, and it works fine. Also, in the last step, I replaced the sawed off gray connector with a black ball socket, and it worked fine also.

Oblivitus (author)mad_scientist2009-07-20

A ball sock will seem to work the same way, but it will catch on rods when you try to load the gun.

mad_scientist (author)Oblivitus2009-07-20

I haven't had any problems with it yet. Also, maybe you could use a small pocket knife to trim the inside of the socket a bit. That would prevent the rods from catching. Trimming is much easier than trying to cut apart a gray connector. Just trying to help a bit.

Oblivitus (author)mad_scientist2009-07-20

It only takes me a matter of seconds to remove the top of a gray connector because I make weak points with scissors and finish the job by jamming a screwdriver into the connector hole.

mad_scientist (author)Oblivitus2009-07-20

That's pretty smart. Do you have any tips for cutting the green rod?

Furloy (author)mad_scientist2010-07-22

i have a pair of heavy duty wire cutters and the cack part works great just cut like scissors exept really hard and where safety glasses cuz the peices fly like the wind. then smooth it out with really rough sandpaper, i use 80 cuz thats what is around but 60 or rougher will work good too

Oblivitus (author)mad_scientist2009-07-21

You can make a perforation with scissors near the end of a longer rod and then bend it against a flat surface until it snaps off. I have also heard that k'nex are flammable and that when they are lit up, they cut like butter.

KnexFreek (author)Oblivitus2009-12-21

no, it ruins whatever you are burning. after it has been touched by fire, it is useless. just get wire cutters (if you dont already have them lol )

Oblivitus (author)KnexFreek2009-12-21

Hmm, that does beat scissors.

KnexFreek (author)Oblivitus2009-12-21

i use this pair i got from home depot awile ago, i use it to cut small nails and small bits of scrap metal (snipping the  corner of a sheet)

so it cut kne like butter

KnexFreek (author)KnexFreek2009-12-21

so it cuts knex like butter

thomaswatton (author)Oblivitus2009-08-13

could you use a cut in half orange connector instead?

Oblivitus (author)thomaswatton2009-08-13


can you show pictures about what you mean?


 Sorry for my late reply. Here are the pics.

By last step I meant the part with the snowflake piece that goes on the end of the orange pieces in the hopper.

~Z~ (author)2010-01-10

can you give me an estimate on how many yellows connectors this would use? thanks

Furloy (author)~Z~2010-07-22

23 ish with no side rails which you dont need and 35 if you do which makes it look a little better

knexsuperbuilderfreak (author)2010-06-09

your notes are off

smattman22 (author)2010-02-15

rofl the twisted gray rods are wicked acurate! i used it on my new gun that ill post later

chip0152 (author)2010-02-13

do you have to use the blue spacers on  13?

Oblivitus (author)chip01522010-02-14

I'm not entirely sure. You might be able to make it without them. (author)2010-01-30

very nice gun

jimb0b12345 (author)2010-01-03

i feel stupid but on number 2 what blue connector do you mean?

Oblivitus (author)jimb0b123452010-01-03

The only blue connector in the picture...

dudemanvango (author)2009-11-28

would it still work if the barrel was smaller.

Oblivitus (author)dudemanvango2009-11-28

No, it wouldn't.

mad_scientist (author)Oblivitus2009-12-21

 I tried building the barrel smaller, and it shot the bullets all over the place, including backwards and straight up. For your own personal safety, don't shorten the barrel.

About This Instructable




Bio: I paint, write music, and used to build knex guns. I have a Bachelor's Degree in Studio Art. - updated 5/7/2014
More by Oblivitus:Z3 Knex Gun (3-Barreled Semi-Auto Pump Action Revolver)Z3 Knex GunZ3 Knex Gun Firing Demonstration
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