Instructables
This is the SIHM-2. My first ever horizontal mag gun I have posted. And this isn't just any horizontal mag gun. It has a never before seen way of loading bullets into a chamber utilizing this type of magazine. The gun is also one of the most compact guns of it's kind I've ever seen. Because Horizontal mags are harder to implement into a gun than typical vertical mags, the knex community doesn't have many guns with a magazine like this.

The magazine holds eight green/black rods. It is removable and is gravity fed in a sense. When you attach a magazine, the bullets aren't automatically loaded into the barrel. It must be done manually. The way you do it ensures that there isn't hardly any friction on the bullet so maximum power is achieved with a green rod. The low friction barrel inside makes sure that the bullet isn't slowed down any and achieves great accuracy. 

Because it is a green rod shooting gun this gun is not intended for outdoor use. If you would really like, a grey connector shooting version of this gun wouldn't be hard to make, but it would have a lot less capacity, about 5 rounds.

So the way you load bullets is by pulling back the pin, tilting the gun back a little, pulling down the "mag push" until you see a green rod slide onto the top of the mag push. You then proceed to push it up, loading a bullet into the chamber. To shoot you pull the trigger quickly. 

Range is around 45 feet, but again, it is not intended for outdoor use, as green rods are hard to find outside.

That's pretty much it, guys. This gun is a new kind of gun, and I would really love it if someone built it and gave me some feedback on it! This is one of my favourite guns I've ever made. This new idea can also be used with bigger magazines, and bigger guns. A stock would also work with this gun.

This gun is also loosely based on the "PP90M1"

Please leave a comment and tell me what you think! Is this a bad idea, a good idea? Should it be changed somehow? What other guns could I implement this idea into? Comments help me out a lot, guys.

If you build it, tell me what you think!!!! (This gun uses 3 broken orange connectors. One has to be sanded down to a certain length.)
 
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soccer91121 year ago
did any one take a break
OZKNEX221 year ago
This is sick.I'm going to build right now.5* Well done. Its awesome. :D
That is freakin' awesome!!!!!! LOL :D
U should make a youtube video and show how hard it shoots and stuff. PLZ!!!
This is so good it won a contest, so this must be PRETTY epic! :D
gassybeans2 years ago
Do you mind if I take the mag and make a PPOM-1??
Seleziona (author)  gassybeans2 years ago
Not at all! Just give me little credit :)
cool..... got the outer frames, and firng mech..... maybe next week It will be finished...... :) Oh, and of course, the mag is done, with slight tweaks.... made the bullets smaller.
chacha20132 years ago
thanks man, i've built it and im going to see if i can mod it too shoot my bullets or white rods
~Meme~2 years ago
Epic.
Seleziona (author)  ~Meme~2 years ago
:D
:D
MontyP1132 years ago
this is the horizontal version, the gray circles are white pegs turned on their sides, i tried to keep it as visually accurate as possible. red part is the hammer, THE HAMMER MUST REMAIN COCKED BACK AT ALL TIMES. this excludes when the trigger is being pulled. rubber bands are on the exterior. interior is only shown
MontyP1132 years ago
I believe i have figured out how to make the pistol semi-auto with a horizontal mag.
Note- i realize this post may be a bit late I will add the photo in next post
The gist
The horizontal mag is above the gun, like that of a p-90. The mag empties into the chamber at the end of the mag. The mag is constructed so that two of the green connectors can sit on top of one another. The mag has a ram-rod at the front which moves up as both of the green connectors are fired. NOTE the chamber should be as smooth as possible. The ramrod is pulled forward with 3 rubber bands per peg, twined in a double helix for lessening of jamming.
TRIGGER MECH- this is simple. the trigger itself exists between the sides of the gun. NOTE the gun at the trigger and chamber should be 3 yellow connectors placed side-by-side across. the trigger is pushed back into place with by means of the rubber bands, ten for this to ensure maximum force is exerted on the piece that actually fires the gun. it should be shaped the same as it is on a real gun.
I do not have my Knex so i can unfortunately not build this, i hope that you may
i meant vertical, though with a few corrections, it will be horizontal
~Meme~2 years ago
XBOX!
in the second last pis does the piece need 2 be broken
Yes.
omnommaster2 years ago
i like halo reach on xbox
Yes, as do I.
step 5 pic 7 stupid camra blur hate it wen dat happens
omnommaster2 years ago
yay
TheDunkis3 years ago
I have to admit, I was kinda disappointed when I learned it was a manual loader. And the way you did the magazine was also kind of bleh. I'm all for in-line stored ammo but the magazine is much thicker than it needs to be then. Or you could have stored the ammo paralleled like a regular magazine and figured out how to rotate them so that you could have a higher capacity magazine. Either would've been great, but there's wasted space on the magazine on the moment.

Other than those, it's a great looking gun. We're in severe lack of horizontal magazine guns.
Seleziona (author)  TheDunkis3 years ago
I was a little disappointed too that it was manual loading, however funny that must seem. I just couldn't find a way to keep the gun small and good looking without some gigantic part to auto load it. For it to be auto loaded the gun would not be the same at all. It may be a little better, but it'd be a gigantic piece waster. And I don't understand what you meant be "the magazine is much thicker than it needs to be." The magazine is three connectors thick, as small as it can possibly made.

I do like your idea for a higher capacity magazine, but I don't see it happening in any of my guns any time soon. I've tried stuff like that, it never EVER works. I've tried at least ten times in the past to find a way to rotate bullets being a sort of ramp or a mechanism, it just never works.

Thanks anyways. I do agree that more people should try to make horizontal magazine guns.
I meant in height, I should've clarified on that. It's a block construction when you're using a "tubular" style magazine front to back as opposed to side by side ammo. For that, you should've tried making something that was only as tall as a rod barrel. It's what I attempted to do with that P90 magazine I made a while ago. Otherwise it's making the gun a lot larger than it needs to be. Should see if you can make a third version and try a flatter magazine and also give another go at making it autoload. Or, if you can't, then try the side by side high capacity magazine and make the manual loader rotate it for you some how.
HNI_0064.JPG
Seleziona (author)  TheDunkis3 years ago
Ahhhh, okay. Now I see. Thanks for clearing it up. I think I will try another autoloading version with a magazine like this after I attempt at making a PDR. It should work good.
when you're done working on a auto - loading gun, can you post instructions? also try making a sling - shot type gun, very good distince but bad accuracy though... please reply
Seleziona (author)  JoeyHersh2 years ago
Actually, I'm working on something else right now. It will be up soon.
Ok thats good. by the way i made my first instructable!!!!!! its a limousine.
Vynash2 years ago
This is amazing! 5* and favorite :D
Seleziona (author)  Vynash2 years ago
Thanks :D
No problem :D
you should use this design to make a P90 ( you know because of the horizontal mag :D)
Seleziona (author)  epicbobman522 years ago
I thought about that.. I don't know though
i think it would be pretty easy, drawing some sort of design out in paint, so you could see what i mean
Seleziona (author)  dr. richtofen2 years ago
yeah, maybe
ok
here's my design for your mag in a p90:

the mag pusher pushes the bullet to the mag wall, so it doesn't drop. When you cock the gun, the mag pusher moves with it to the back, so the bullet drops. i hope
you get it.
p90 design.jpg
i just thought it would be cool :P
albydesign2 years ago
Awesome! could you use a grey connector instead of sanding down an orange connector?
Seleziona (author)  albydesign2 years ago
Nope. All of the modded orange connectors are intentional and have to be there.
(removed by author or community request)
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