Introduction: K'NEX P90

Picture of K'NEX P90
Ever since I heard of the P90 PDW, I have wanted to hold one. I got my chance last year at a local gun show, and boy, that gun was just what I expected it to be. Epic. So, I set out to build my own, out of K'NEX, of course. This version is much better than my previous versions, and is rather different from any other version you will find here at instructables (there are over 20 different copies). It is really comfortable, has a better way to attach the grips to the body, has a reinforced trigger (taken from ~KGB~'s P90 V.2), AND it is breach loaded. While it is only single shot, I was more focused on replicating the P90, not making a shooting version.
  • Accurate replica
  • Breach loaded
  • Range: 40 ft. +
  • Better pin placement
  • New sight area
  • Comfortable trigger
  • Fake magazine (courtesy of dr. richtofen's P90)

- The Red Book of Westmarch


The Knex Inventor (author)2016-06-24

Very nice gun! Favorited. :-)

Dan13_13 (author)2013-12-27

Awesome replica, really is the best on the community

War pig (author)2013-09-12

Looks nice.....I've tries to build one but I failed....looks nice man


CODawesome (author)2013-08-25

looks good, but i saw some things that u can improve on. First, on the very front-top of the gun, do u see those green connectors? there is a gap in the middle which isn't on the real gun. second, the empty space on the handle needs to be smaller. third, fake magazine? but don't get me wrong, this is still a solid gun!

Thanks bro. Ah, yes, I did see that gap, but was not sure on how to fix it. As to the fore-grip, I would agree, it does need to be smaller. Yeah, I know, fake magazine. =D

I could probably make a mag from this, with internal pusher mech. It would look like my semi auto vector mag, but rotated 90 degrees.

I would love to see it, if you did it. =D

Sharir1701 (author)2013-08-28

Hehehe nice :) Much better than the previous attempts I so childishly criticized, but for appropriate reasons :P

Yeah, this one is much better thank my... *cough* other ones.

Benjamin Grover (author)2013-08-28

Hi I have built KGB's P90 but I have to say that this is better in my opinion love the fake mag and the breach area. Front area looks slightly more real as well. You have so got to post instructions for this, if not I will try to build from the pics. Good job! Thanks, Ben.

SNAP! I took the dad-gum thing apart! Sorry bro...

oh poor dum reddy ;)

Yeah, just because I think its awesome. Could you give me a list of guns you do like that have not been posted yet?

i know some of them
the sten
ATH-4(the launcher)
and the AR15S


ur welcome D:<

DarkOwlProductions (author)2013-08-25

I was wondering when you'd get around to making everybody's favorite bull pup. Spectacular job. :P

Oh, yeah? Thanks bro. =D

You know what would be really cool? It'd be really cool if someone made a type 100 with a mag that goes in the side like the real one. *hint hint, wink wink, nudge nudge*

Here's a picture of it, just cause. :3

How many times have I been asked to build a Type 100! XD, No, its fine. I'm not sure about building one, but I am thinking about building something even more iconic.

I don't know: how many times have you been asked to build a Type 100? :P

You're going to build a Sten, I see. Honey Hooves is pretty clever, isn't he? Good luck with that project.

You will build a Type 100 eventually, Red! I demand it!

Actually, the Sten MKII and the Type 100 have one problem. Both of their magazines are too far away from the area where you can fit the firing pin.

Oh, that sucks. Maybe a tube and stick barrel could work. All you'd have to do after you've made a skinny tube and stick barrel is to find a way to stick a magazine in the side, which I think you could do with this gun's magazine.  You could then make the stock as accurate as possible.  Just an idea.

Ok.  I have a new forum topic if you're interested.

I'll check it out!

Cool. Thanks. :3

The Sten :p

What... the... flip... How did you know that. Freaky.

megustatrains (author)2013-08-26

looks are AMAZING, but the shooting could be improved :3 but you were focusing more on looks, so i guess it is good enough.

Thanks bro, I'm glad you like it.

hunter999 (author)2013-08-27

Now this is a solid build. Good job! :D

Thanks bro. =D

Johnhall14 (author)2013-08-26

Looks nice =D

Thankee kindly.

nerfrocketeer (author)2013-08-26


Ah, I see.

TheAwesomestDude (author)2013-08-25


Thankee kindly. =D


~KGB~ (author)2013-08-25

Looking good dude! :-)

Yours is great too! Thanks. =D

No prob! Thanks lol :-) is that ebook thing finished yet? :-)

The eBook is finished, but it is not yet published, my dad and I are gonna work at that this weekend. I let you know when we are ready.

About This Instructable




Bio: K'NEX gun builder here at Instructables. More or less retired from the community, but I still pop in now and again.
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