Garage Guns/ DIY Thread

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>>32693794

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>>32693820

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>>32693826

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>>32693896
Infographics are also welcome

>>32693820
Anyone have a link to this or name? Asking for a friend

>>32693794
"clip"

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>>32693928
there was some info on how to make it but its kinda abstract

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>>32694176
Here's another pistol that might also interest you

>>32694176
Isn't that entire series of guides useless? A guy making his automatic pistol design had to redo half of it for a reliable gun, and I've read that the sub guns will blow up on you if you build them.

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>>32693794

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>>32696655

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>>32696669

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>>32696698

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>>32696712

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>>32696727

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>>32696745

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>>32696757

>>32693896
>when you want the ATF to kill your dog, your family's dogs, and every dog in a 20 mile radius

Has anybody heard of someone building a simple scrap metal double barrel shotgun? Seems like a really good balance of ease of manufacture and firepower.

>>32693918
They would ve welcome if one actualy was able do descipher these clusters of pixel.

>>32697000
Yeah, on YouTube there's some. I think the channel "The Unknown Cat" did one.

>>32697000
Nice trips

>>32697065
Just looked, all I could find was a bolt action 12 gauge. Still cool, though I imagine pretty complex in comparison.

>>32696745
does anyone have the pic about the russian who made something like this, but it was used to fight aliens?

>>32696669
I am not going to lie, that looks like ass.

Bump for interest

>>32688397

Interesting conversation about simple triggers going on there

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>>32693896

>>32697752
No doubt it looks retarded

the only thing I could do to top that was forget to save the instructions to build it in the first place.

yah I screwed up. I only have the picture.

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>>32696775
>C.L.I.T

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Here mine. I've dubbed it "the ghetto blaster" complete with super cushy bike tire butt pad, vertical hacksaw grip for quick acquisition of didndus, and a tactical paint brush forward grip

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found this, smoothbore from Gambia, bolt action, pretty clear inspiration.

Related question: How to detonate ANFO?

I got some AN I want to use for fun booms in a gravel pit. However, I've heard it's a bitch to detonate and I don't want to make a whole different explosive to detonate it.

Can it be detonated by extreme heat alone, such as thermite?

And if not, would homemade tannerite (just AN and aluminum powder) be strong enough to detonate it?

>>32699419
Google it.

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And a really nice .22 revolving rifle from mexico

>>32699429
I did. Specifically, I'm having trouble finding out exactly what power is required to detonate it, and whether homemade tannerite (technically ammonal I guess) is enough. Really not much technical info available on ammonal that I can find

>>32698687
Ha! The ol' paintbrush foregrip.

I remember this one from a previous thread.

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>>32699552
EODfag
VoD of Ammonal (AnAl) is about 4400m/s
VoD for ANFO is usually 3000-3500m/s
So theoretically the det wave in AnAl will propogate into ANFO, but practically it's rather difficult to make the transfer as shooting initiating the AnAl will more commonly just splatter any surrounding ANFO leading to deflagration/burning rather than a full kaboom. It will take a precise setup to keep it together sufficiently to detonate fully as ANFO produces its best effects when confined or buried as a lifting charge but that makes it hard to aim at.

>>32696757
>as long as you aren't black,spanish, or a white freak

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>>32693794
>Any posts are for educational purposes/satire
In that case...

>>32699748
Not him, but what are the determining factors in that?

Because from https://en.wikipedia.org/wiki/Table_of_explosive_detonation_velocities
>Lead styphnate: 5,200 m/s
>Nitrocellulose: 7,300 m/s

I'm guessing in the instance of a gun cartridge, the pressure and heat are what detonates the gunpowder, not the shockwave or this VoD stuff? When is the detonation velocity an important factor?

>>32699844
A double barreled revolver? For what fucking purpose?

>>32699996
Fun?

>>32699552
Ammonium triiodide, fairly easy to make but super unstable and shock sensitive.
Literally could go off if so much as a piece of dust touches it.

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Just nonsense I thought of a while ago for a .22lr pocket pistol. Has a lot of issues.

>>32700026
Noice. I wonder if you could adapt that rotating bolt design into a rotating indexing sear for four round burst...

>>32700070
Maybe? But it would be a "machine gun." As is, it's legal.

>>32700070
I can't, no. I don't have the wherewithal or the time :-p.

Right now I'm trying to come up with a 4 rotating barrelled shotgun that can be made using common hardware items (piping, some sort of pump to rotate them, maybe a caulking gun... I dunno yet) with minimal tooling... Would be easier to just make a break open single shot though.

>>32700119
I imagine it'd be almost as fast to just spin the tubes by hand. Still double barrels are where it's at for homemade 12 gauge firepower.

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>>32697026
I got your back nigger, dump incoming.

>>32700154
>I imagine it'd be almost as fast to just spin the tubes by hand
Probably. Maybe I'll stop by the hardware store tomorrow and take pictures...

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>>32700156
big bore

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>>32700165
Bong cartridges

>>32700119
What do you use to make your diagrams? Solidworks? I need to learn me one of these programs

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>>32700171

>>32700190
Another shitter one but with some weird cartridges, check out that triple shoulder shit

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>>32700195
Forgot the pic

>>32700174
I just use Maya. It's typically an artists tool, but handles measurements just fine. Solidworks is better for actual engineering though.

>>32699777
LOL...

>>32699923
Different non mil eod fag here, i set off anfo with a ammonal booster set off by a detonator made with lead azid or lead styphnate, initiated by a model rocket ignitor and control box

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>>32700392

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>>32700408
Contents

>>32699923
EODfag
VoD is just that - a detonation rate isnt affected by heat or pressure, its a shockwave travelling at the speed determined by the energy of the breaking molecular bonds. A one pound block of TNT has the same VoD as travelling through a mountain of TNT.
Gunpowder burns not detonates, its a Low Explosive. The rate of burning isnt fixed like VoD in a High Explosive and the rate changes due to pressure and temperature, usually done by confinement in a gun barrel or /k/s length of plumbing pipe.
>Back to your VoD question
A mass of a HE detonates at its VoD, then the shockwave travels into the next mass of HE. If there is a gap between the 2 masses the shockwave slows. If the gap is too low the shockwave dissipates and isnt fast enough to achieve the necessary Set VoD in the next mass.
If the masses are close enough, the VoD rate is high enough for a sympathetic detonation.
Similarly, if the HE mass 1 has a lower VoD than a different HE mass with a higher VoD it won't initiate the second mass but will just splat it around.
>the initiating HE needs to be sensitive to start initiation and also have sufficient VoD for the next HE in the train
Thats why the dogshooters allow playing with Tannerite.
Their gun-guys may be dicks, but the 'E'-guys in batfE know their stuff, and know that a few pounds of T isnt really useful outside fucking up old lawnmowers. They concentrate on controlling the useful things like detonators and primary explosives that are the real IED components

does anyone have a 3d ar7 magazine

>>32700392
EODfag
>Good example.
A rocket igniter will produce heat&sparks that will initiate high sensitivity LeadAzide/Styphnate which has a VoD of 5200m/s.
This shockwave will transmit into the AnAl that only needs 4400m/s so the wave then slows to that speed going through the AnAl, and initiates into the bulk mass of ANFO that only needs 3-3500m/s but is the main charge big enough to make the desired kaboom result.
>The LA/LS detonator with both high sensitivity and high VoD is always the key.
Otherwise youre just another numbnuts trying to shoot at lawnmowers, or the dic/k/s trying to light ANFO molotovs with slow burning gasolene

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>>32700938

>>32700016
I thought of that. That and TATP are probably the only primary explosives that I could easily make that are strong enough, and of course they both run a high risk of turning me into a pink mist cloud. Especially since I'd like it to be throwable.

>>32699748
Thank you, based EODfag. I think I'm going to put it in a pipe or something that I can throw, so it should all be compressed together pretty well.

I'm probably just going to get off my lazy ass, get the shit I need and make some HMTD, but I wish it were easier. You think that's a good choice for the job?

My criteria:

>Easy to make
>Fuse sensitive
>Strong enough to blow up ANFO
>Won't blow up in my hands if I throw it

>>32701351
EODfag
1. How far can you throw a pipe filled with ANFO?
>Be behind some solid cover.
Frag will fly further than your arm.
Pipes arent the perfect frag sleeve, but that 1 piece will always follow Murphys Law and fuck you up.
For ANFO thick cardboard like 3-4" mailing tubes is sufficient confinement without adding frag.

>>32701474
Ok. I was planning on using PVC pipe but that's even better.

What about the detonator?

>You should have an advice column. Like the Dear Abby of improvised explosives

>>32701474
EODfag
2. HMTD doesnt like metal, so another reason to stay away from the plumbing supply shop.
Apart from that, its reasonably stable vs sensitive and enough VoD.

Anybody have a link to that one blowback gun with a bolt made of steel plates put together?

>>32693896
Is there any video of this thing firing, I need to fap!

>>32694282
Maybe if you could read it

>>32701533
Would you have some good free reading suggestions for someone just starting to look into this kind of stuff?

Anything from saftey to science really.

As far as my brain will take me this morning on a home depot rotary slam fire.

Dunno if it's worth thinking about more. No way to attach the pump to the frame if any of that is clear in the image)

>>32703226
EODfag
We had a bit of that a few weeks back.
Hang around more.
>google and Wiki are the basic starters for chem and recipes. Try old blasters handbooks or FMs for basic safety

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>>32704411
forgot image

>>32703036
you going to weld a castle nut or try to thread it?

Anyone have anything on how to make a proper molotov?

>>32704486
Soak rag in liquor.
Stuff in neck of bottle.
Cork it in place.
Light on fire.
Throw.

Am I missing something?

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>>32704494
No, I remember seeing an interesting thing about how to make a molotov that better than just having a rag in a bottle.

Actually, I just remembered what it looked like. It's pic attached, so instead of a rag it uses some sort of matches on the side of the bottle to light it. So I'm just looking for the instructions to properly make one like the Finns did.

Bump for interest

>>32704548

Are you looking to buy a replica or just something that works? That bottle has a screwcap because it might be put in a crate with other bottles and transported hundreds of miles, during which a plug cork beside a rag could leak. Gasoline vapor and spills etc. The matches are the safety type that burns more reliably than the normal type of match, and is also easier to grab and light in -30C.

>>32704854

Sorry, I meant make not buy obviously.

>>32696727
>>32696745
>>32696757
>>32696712
>>32698687
This thread is all sorts of illegal.

>>32705038
Nope educational purposes only. Learning is not illegal. But producing such items are illegal

>>32705038
Maybe if you live where there isn't freedom of information.

>>32705038
Making your own firearms is perfectly legal. They just have to follow the regular requirements

>>32701351
Just use lead styphnate from primers

Bump for intellectual discussions

How heavy a spring would you need to not need a locking breach? Like a spring driven slam fire?

>>32699455
I'd buy that, looks fun.

>>32704548
>Step 1: Acquire glass bottle.
Size is not particularly important, but you will want to be able to reliable throw it further than forty feet while full of flaming liquid. If you've some sort of launcher, you can go bigger.
>Step 2: Create a flammable mixture.
Straight gasoline is an option. However, it isn't particularly hot, and it does not stick. I've heard that adding two tablespoons of white flour per pint raises the temperature, but I find that dubious. Better bets include a 1:4 ratio of engine oil:gasoline, or 2:3 ratio of isopropyl:gasoline. If you mess around with isopropyl, do not store it in heat, or at least put it in a ventilated area with the cap off.
>Step 3: Thicken the mixture.
In a well ventilated area, take your mixture, a mixing bowl or pot or whatever, and a ton of normal styrofoam. In chunks about the size of your hand, start mixing the cardboard into your flammable solution. It should get thicker and thicker, eventually forming a sort of paste. This paste is both flammable and sticky. Pretty similar to napalm.
>Step 4: Load the projectile
Pour your now-sticky burning solution into your container. Depending on how viscous you've made it, this may take time. You're not in a hurry, and I know for a fact that you aren't doing this indoors. Right? Once you're done, drop the biggest hard object you can inside the bottle. A battery, a rock, a Nokia, whatever. You're looking for two things; mass and hard edges. This will help ensure the glass breaks on impact.
>Step 5: Ignition system.
Close the lid on the projectile; you won't be needing to open it again. Tie a 18" length of fabric that has been soaked in a flammable substance around the projectile so it will not fall off.
>Directions for use:
Acquire target. Make sure you are at least twenty feet away. Light rag. Throw. Take cover. There are different ignition systems you can use, but there's no good reason to get fancy.
>All info has been provided for educational purposes only.

>>32707961
What do you mean? Straight blowback guns use the weight of the bolt to keep it safe, not the spring pressure.

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>>32709327
pic related (same as >>32704425)
The drawn part is the firing pin/bolt/spring...
The trigger will maybe be a gate latch? Not sure yet.

Right now it's 1-1/4, 1, 3/4, and 3/8th pipes, elbows, T's, and reducers... Also some corn cans, and a bent (not crazy about that) .5 threaded rod.

Would be screwed and JB welded together... Though it's a bit more unwieldy than I'd like.

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>>32693896
>Get lightning link or convert to f/a.
>purge heretics with storm bolter.
>mfw

>>32709327
They use the inertia of the bolt. Weight is only one component of this.

>>32710262

in an open bolt gun, yes

>>32710353
In closed bolt guns as well.
Do you think the force exerted by the spring just magically dissapears because the bolt is closed?

>>32710390

the spring's loading has very little effect in the initial unlocking stages and much more to do with controlling rearward travel of an unlocked system

You've all inspired me to design a firearm. Look out for HFC at shorshow in a few years

>>32699748
>>32699419
>>32699923
>>32700016
ETN. Google it and shit bricks. Super easy to make and its basically weapons grade, plus the main ingredient is an interesting artificial sweetener

>>32702212
Mobilefag detected.

>>32710390

Spring provides a force of 12-20lbs

.22lr has a case pressure of about 18k-24k lbs/in^2, over an area of about .15in^2, for a peak force of about 2700-3600 lbs

The spring doesn't make one fucking tiny bit of difference for holding the chamber closed long enough for chamber pressure to drop to a safe level for extraction. That all falls entirely to the inertia of the bolt group in a blowback gun.

If you took out the spring, the gun would still be safe to fire, although it might bang the shit out of the back of the receiver, since it's the spring's job to slow down the bolt after firing.

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>>32693918
You forgot one.

>>32693794
>http://www.youtube.com/playlist?list=PLGPmtWCWxyHmrc6_AI9tBu6P1CjiXbEKC
Cheer's to making a semi auto sten, just make sure to look a way to make it closed bolt. Same process as any other sten except all you have to do is use the standard stock and a 16" 9mm barrel unless you want to pay a $200 tax stamp

>>32710658
I like the sound of it. Wikipedia says it is "somewhat sensitive to shock and friction". How sensitive? Are we talking like hit it with a hammer and it goes off, or like TATP you sneeze on it and you're gonna die?

Basically, could I throw a container of it safely?

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>>32700171
>2bore

I want one

What is the simplest most basic extractor you could make?

>>32704419
What books would you reccomend on homemade exsplosives

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Has anyone here made any of this stuff or printed instructions on here im not atf

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>>32693794
XM177 moderator, why don't people tax stamp these?

Are they not attracted to a durable half-assed suppressor?

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>>32714846

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>>32714855

>>32714846
>>32714855
I dont think they have to. maybe they do? I know Troy made an XM177 clone that has them and you need no stamp.

>>32714866
Those are only compensators or hollow or solid with a hole thru the middle

the original items do in fact lower the sound and are NFA items

Spread more education anons!!

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>>32716256
Not education, but was fiddling today with some to-scale pipe models I made last night...

Came up with this. Pretty sure it could be put together with some JB Weld, a bolt driver, a hacksaw, a drill, and a metal file. The only thing I don't have a plan for is the trigger spring (could be something simple, but I kinda want it internal)

Any reason this would explode and kill me/fail to fire?

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>>32714681

A bent piece of steel strip

https://www.youtube.com/watch?v=wlLlFC5caLw

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>>32716938
I like it, but it doesn't need that huge opening.

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>>32718204

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>>32718221

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>>32718245

>>32718204
Yeah, I just cut it straight in half because it was the easiest way to think about it.

I was just about to put the handle on too, pretty much exactly like your pic.

The general idea is to make it as simple to put together as possible, but still function like a gun (not just slamming two pipes together so much). No large shop tools. Drill is the biggest thing...

Open to suggestions. Just got laid off, so I might actually put one of these together.

Why don't people make homebuilt air guns?

if OBUMMER comes to take your guns away and bans all firearms forever, wouldn't you want something with easier to produce ammo? Modern smokeless powder is outside the reach of bubbas in garages, and even black powder can be time consuming enough to be infeasible. But pellets and BBs can be cast easily. You could even just use standard ball bearings from a hardware store.

>>32714855
>>32714859
>americans are so inept they need a cad file to show them how to put a round peg into a tube
holey sh*t these threads are cringe

>>32718342
https://www.youtube.com/watch?v=gr-G8I_UVaA

An airgun would be cool, tho.

>>32718395
>>32718342
whoops. wrong video.
https://www.youtube.com/watch?v=-33o1MLTe9c

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>>32718421
>it's possible, that means you have the time and materials to do it indefinitely and accurately but also safely!

modern powders are also much more advanced than that. and nitrocellulose is stable, not but THAT stable.

it's also necessarily easier to produce just airgun pellets or balls since to produce a round for a powder-based gun, you still have to make a pellet or ball or whatever other lead object.

>>32718490
Well feel free to share your design.
I'm nowhere near a chemist, and based on the fact that I (not a chemist) can make nitrocellulose I'm pretty sure someone out there can stabilize it, or just make cordite. It wouldn't be easy or fast, but it is entirely possible. Black powder is always a fallback as well.

Obammer isn't president anymore anyways.

What might make more sense, instead of an air rifle, which requires about as much engineering as smokeless powder requires chemistry, is a crossbow.

>>32718626
the point is
>it's necessarily easier to produce just airgun pellets or balls since to produce a round for a powder-based gun, you still have to make a pellet or ball or whatever other lead object.

>Well feel free to share your design.
lmao this is literally as bad as "you can't say food is bad if you're not Gordon Ramsay himself!!"

>>32718651
No, the difference is you wandering into a garage gun thread and criticizing, not the design, but what they're designing.

It's more like going into an Indian restaurant and asking why they don't just make hamburgers. Make your own hamburger.

The ammo would be far easier to make I agree. But the gun would not. Ammo (at least in the US) is plentiful enough that producing it isn't an issue.

>>32718342
>Why don't people make homebuilt air guns?
They do, there's an Australian /k/ommando who does.

>if OBUMMER comes to take your guns away and bans all firearms forever,
Basically no country in the world has an outright ban on all firearms, there are usually provisions for at least hunting shotguns, and generally rimfired bolt actions too.

>wouldn't you want something with easier to produce ammo?
'Easier' is not necessarily a valid argument, especially if your interlocutor is motivated by the challenge.

>Modern smokeless powder is outside the reach of bubbas in garages,
Mostly due to lack of knowledge and safety precautions.

>and even black powder can be time consuming enough to be infeasible.
Time consuming isn't an argument for feasibility, because even a garage air gun will be time consuming to make.

The experience of the aforementioned Australian /k/ommando was that it took him a couple years to get quite competent at it, and there's also a lot less previous experience and designs to draw from.

>But pellets and BBs can be cast easily.
>You could even just use standard ball bearings from a hardware store.
Same argument can be said for firearm bullets.

>>32718490
>the time and materials to do it indefinitely and accurately but also safely!
I have all the materials used in that video except nitric acid and distilled water, which are readily available basically everywhere.

You don't need to do it indefinitely, you only need as much material as you wish to personally consume. We're not talking about commercial quantities here; produced in small batches, accuracy and safety are simply a matter of care, reflection and foresight.

>modern powders are also much more advanced than that.
We don't have to reinvent the wheel, a garage chemist has over a hundred years of research they can lean on.

>and nitrocellulose is stable, not but THAT stable.
They are when they're mixed into compounds.

>easier to produce just airgun pellets
See above.

>>32718342
Are you a fucking retard he never wanted to take our guns and plus today is his first day of not being your president

>>32694176
Ok, for a .22lr could I possibly

>use some form of plastic for FRAME
>with metal inserts near any part that goes boom

File: haveAGun.png (4MB, 2140x1739px) Image search: [Google]

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>>32722348
Yup.

I want to build a single shot .22lr rifle. What's the easiest way to do this with hand tools? I'm assuming use a 10/22 barrel. I was thinking of just butchering some parts from other guns like the style of bolts on the cricket rifles. Older savage/Stevens use a similar pull back system and I could probably pick one up cheap on gunbroker. Any recommendations?

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>>32722529
Something like this, only long.
GB22, open 'bolt' single shot

I wish serbu the great would just sell kits already.

>>32716938
I was thinking of something similar, but the bolt pushes back a hammer (possibly external) which would then hit a firing pin. Just because closed bolts seem nicer to me

>>32722529
>>32718245
Something like this other anon's post?

>>32722816
It probably is. But like I said I was going for something that a retarded monkey could slap together, with directions.

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>>32722837
Yeah, here's my shitty drawing
>pipe as body
>end caps JB welded in place.
>hole for firing pin in front cap
>hole for bolt in back cap
>maybe a washer JB welded halfway through to prevent pulling back too far?
>bolt to act as striker
>spring on bolt (washer could help hold this in place)
>nut before washer to catch on the trigger

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>>32722958
Ahh, the spring should just go to the nut. Doesn't work the way I originally drew it. No washer.

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>>32722958
>>32722982
https://www.google.com/search?q=shotgun+trip+wire&biw=1366&bih=638&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjL6seC2NLRAhXKy4MKHUCiD58Q_AUIBygC#tbm=isch&q=shotgun+tripwire

>>32722565
Still waiting too but sadly I don't think it'll come true!

>>32710658
Tried to make it, had problems of the fumy sort. Protip cool the chemicals beforehand and have LOTS of ice and baking soda (to neutralize the acids) also don't make in dorm room.

>>32723258
Why in a dorm??

>>32717778
Westwood, has disappeared from youtube lately. I'm scared for his pupper.

https://en.wikipedia.org/wiki/Molotov_cocktail

A molotov cocktail (invented by the spanish) but the name was given by finnish people.

>>32698954
Not sure if this is a Gambian Garage gun or just French...

>>32693896
You're gonna need a hell of a optic riser to mount a red dot on that bitch.

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>>32693794
I'll dump some of my shit

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>>32726516
Some chamber reamers if you are gonna get serious about homemade quns

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>>32726522

File: 22lr Match.jpg (35KB, 538x577px) Image search: [Google]

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>>32726537

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>>32726555
http://saami.org/specifications_and_information/index.cfm
^
More info on chambers and cartridge dimensions

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>>32726577
Part 2

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>>32726588
Part 3

>>32726426
nahh, just spotweld some railz on the side and mount a $20 airsoft red dot. You're not going to get accuracy anyway, might as well have fun for cheap.

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>>32718264

Model one of these little guys.

http://mesprojets.eu/Practical%20Scrap%20Metal%20Small%20Arms%20Vol.18%20King%20Cobra%20.22%20Concealable%20Firearm.pdf

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>>32726878

Maybe weld two together on their bellies for a 6 shot.

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>>32718221
>>32718245
>>32718264
>tfw you recognize the designs

these are neat thanks for posting , got any more ?

>>32693896
That's like the gsh 23

>>32718221
>>32718245
>>32718264
Those came from one of those gun design books from Paladin Press right? Concealable Firearms or something from the early '80s?

>>32696757
Of course, anybody stupid enough to actually try this would end up with an exploding chamber.

>>32702001
That's called the "blowbak", by Orion's Hammer.
YT watch?v=iukCrZLUK78

>>32710040
You gotta have at least a crude indexing thing if you want to strike the primer

>>32728928
It would be a series of metal zig zag trips JB Welded/screwed to the tin cans, and a pump along the bottom.

I didn't get that far though. I think I could more easily modify >>32716938 this to work with rotating barrels. I'll probably do the simple thing first.

>>32728991
I mean there needs to be a way to keep it lined up with the striker. I bet even a ball bearing detent and spring would work

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>>32700156
I AM NO BACK NIGGER

I
AM
KUNG
FU
BATTLE
NIGGER

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>>32729026
Right. The pump would do that, and the pipes are beveled to ensure it when the striker slams forward.

It's just not modeled out in the image. When the pump is locked forward the zigzag follower on the pump would lock in the front point, preventing the barrels from spinning. (the zigzag would be more shaped like it is on a webley fosbury).

Pump would also need a spring and a rail and a lock... which is why I gave up on that model.

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>>32726522
>>32726537
How do these work? I don't see a cutting surface (idk what is called)

>>32726878
>>32726941
I'm working on another design right now I'll get back to the paladin press series of books later.

>>32727204
yes

>>32729093
looks good

>>32729512
They are called "D Reamers" a cut is made across the axis of the reamer higher than the center.
It's hard to explain. Google it and you will see what I mean

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Blump

>>32731580

>tfw we'll never see it in action because it's missing a chunk

>>32731862
I'm sure someone can figure out what's missing and replace it.

>>32731862
video?

>>32733761
https://www.youtube.com/watch?v=r7me_z0Qdcs

>>32729093
Is it just by accident or was it intended to resemble one of the shotguns from Metro 2033. Because it is giving me that vibe and I like it!

>>32731580
>>32734011
Looks very art deco to me.

>>32731580
Seems to be some kind of blowback revolver, or just has a tiny integral drum magazine.

Image search gets this, which has a neat video. http://www.thefirearmblog.com/blog/2014/09/03/experimental-auto-revolver/