How to Make a Full Auto Airsoft Minigun [Halo Inspired Mobile Turret]

 by NightHawkInLight
Featured
video How to Make a Full Auto Airsoft Minigun [Halo Inspired Mobile Turret]
This is a type of cloud airsoft gun - named so because of how the pellets are blown around the reservoir before being fired out the barrel. Since there is nothing mechanical to get in the way of the workings of this gun the rate of fire is extremely high, an estimated 50 rounds per second. It would make a great airsoft turret to be mounted on the defensive wall of a home base.

The price of materials is just over $50 assuming the builder already has PVC primer and cement.

Parts List:
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4' of 2" pressure rated sch40 PVC
4' of 1.25" pressure rated sch40 PVC
2" end caps x2
2" 90 degree elbow
2" 90 degree street elbow
1.25" end caps x3
1.25" couplings x2
1.25"x0.5" threaded reducer
0.5" threaded plug
6mm ID x 3' aluminum tube
Rubber tire valve
Air compressor blower valve w/ threaded ends
Close brass pipe nipple - to fit blower valve
Hose fittings - to fit blower valve - x2
1' air compressor hose - matched to hose fittings
Hose straps - for compressor hose - x2
Large hose straps
1" foam pipe insulation - or a wood block fitted for chamber support
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LoveDoctor46 says: May 22, 2013. 5:26 PM
Sir, I would just like to say, I praise you as a god.
NightHawkInLight (author) in reply to LoveDoctor46May 22, 2013. 6:36 PM
God gave me all I have. I can't take credit.
ebaneser says: Apr 26, 2013. 2:56 PM
cool maybe I can make an assault rifle using the same principles but try to incorporate a L.A.W. in there too.
tgrinder666 says: Mar 28, 2013. 11:23 AM
im working on making a pair of these with my friend. Ill be making it a little more "high end" by incorporating it into a synthetic SKS pistol grip stock and using the backpack reservoir from your bottle machine gun. he's making his the same way, only with a wooden tommy gun stock from a local airsoft store. we will be sure to post pictures and maybe a video when theyre done!
geniuskid9 says: Feb 24, 2013. 4:41 PM
best thing EVER!!!!!! this is so awesome! is there a way to make it have more bbs and can you burst fire it or does it have to be held down the entire time?
geniuskid9 says: Feb 24, 2013. 4:41 PM
best thing EVER!!!!!! this is so awesome! is there a way to make it have more bbs and can you burst fire it or does it have to be held down the entire time?
rower-11 says: Dec 22, 2012. 10:32 AM
for some reason the reply button doesn't work
---Thanks a lot! Your instructables are the best! they explain everything so I can understand it really well.
rower-11 says: Dec 22, 2012. 9:06 AM
I was going to make this gun with my dad and we were wondering if you could make the bb reservoir out of 2" PVC but still have the barrel out of 1.25 PVC so it can hold more bbs.
NightHawkInLight (author) in reply to rower-11Dec 22, 2012. 10:18 AM
yes that would be fine. Also you may want to check out my other instructable on a similar subject here: http://www.instructables.com/id/Make-an-Airsoft-Machine-Gun-from-a-Soda-Bottle/
cade nielson says: Nov 19, 2012. 7:54 PM
i made this and sometimes it dosnt work like it will blow the air out but not the bbs how do you fix this
SAWAirsoft says: Oct 20, 2012. 7:57 AM
Here is a link to to a basic concept that could allow lower budget, or just little access to parts, airsofters to take their imagination and take a baser concept and turn it into a skirmishable airsoft gun.
SAWAirsoft in reply to SAWAirsoftOct 20, 2012. 7:57 AM
http://www.instructables.com/id/SAW-Armament-Tips-and-Tricks-Basic-gas-powered/
lauren152 says: Oct 2, 2012. 10:09 AM
Where do you find the 6mm ID x 3' aluminum tube and how expensive is it?
ace12345m says: Sep 28, 2012. 12:12 PM
how much fps does it have
hunter1125 says: Jun 29, 2012. 7:20 AM
Im thinking of making a cross between your flamethrower and this, by putting the resevoir in a backpack and having a minigun like this instead of a waterbottle with a tube in it.
curious youth in reply to hunter1125Sep 10, 2012. 3:50 AM
i was thinking the same thing ! :)
damascus freak says: Jul 9, 2012. 8:46 PM
awsome gun!!!!! got any ideas for a single shot? say sniper rifle style?
mr.pizza says: Jul 1, 2012. 2:52 PM
im 13 and want to know how to make some thing that looks good, performs well, and is easy to get the supplies and to make. any ideas??
gotwell says: Jun 11, 2012. 1:17 PM
where did u get ur "trigger"
gotwell says: Jun 11, 2012. 8:49 AM
can you put the video instructions in steps and what glue did you use
cade nielson says: Jun 9, 2012. 7:39 PM
i love this gun it is awosm but the tank needs to be bigger then it will last longer
corn holio says: May 11, 2012. 6:46 PM
how many psi did you use and how many fps did you get
black hole says: May 6, 2012. 8:12 PM
Heh heh heh.
600px-T2JDHandheldMinigun-3.jpg
Mathieu17 says: Feb 9, 2012. 3:39 AM
Can i use a CO2 tank??? would that work or shoot for a long time... and would there be a way too have more bb's to shoot??
invincible airsoft in reply to Mathieu17Apr 10, 2012. 2:50 PM
in theory it should work with co2. if you make the bb resovoir bigger/ longer it should hold more bb's.
rafa101 says: Feb 29, 2012. 4:34 PM
How much would you be spending on materials? thank you
invincible airsoft in reply to rafa101Apr 10, 2012. 2:20 PM
around $60
weaponmaster1 says: Mar 11, 2012. 9:07 AM
Go to this link now http://www.instructables.com/answers/Airsoft-gun-102/
owlart101 says: Mar 4, 2012. 10:13 AM
Very nice, I plan on making this with my Dad. Do you have any suggestions for making it more of a flamethrower version, with the air reservoir in a backpack or something?
NightHawkInLight (author) in reply to owlart101Mar 4, 2012. 11:08 AM
Yes. http://www.instructables.com/id/Make-a-4-BB-Gun-Airsoft-Flamethrower/
owlart101 in reply to NightHawkInLightMar 5, 2012. 3:32 AM
Thanks, right after I saw this 'ible I went to look at you'r ohers and my question was automatically answered.
djzadjza says: Feb 28, 2012. 7:20 PM
hey nighthawk. im a big fan. great ible. i love the idea. How long do the tanks hold pressure before bbs dont fire well anymore? how far can this weapon shoot?
Tiger1509 says: Feb 28, 2012. 1:09 PM
I am going to make one for my team, Thanks for the Intel.
motomax99 says: Feb 19, 2012. 6:32 PM
this looks awesome, i like the m1919 appearance you gave yours, im gonna try to do the same with mine but i wanna get more psi in the air tank, any suggestions? i also wanna do a shoulder fired 1919 like they did on sons of guns, is this easily modifiable to shoulder fire?
NightHawkInLight (author) in reply to motomax99Feb 19, 2012. 7:26 PM
If you want more pressure the only way to safely go about it is to use something other than PVC. Copper or welded steel would be a good choice.
motomax99 in reply to NightHawkInLightFeb 19, 2012. 7:55 PM
so the same sized tank just copper? ya that would probably work. and what do u think about the shoulder fired modification? could i just put on a wood stock?
ladieslilman98 says: Jan 27, 2012. 3:42 PM
do you think it would work with paintballs(obviously a larger barrel ) would you have to get a higher pressure rated pipe and mupm it higher, or leave as is?
Matrix-technician in reply to ladieslilman98Feb 12, 2012. 6:56 PM
I would imagine that could be possible, however unlikely. The paintballs themselves might be too heavy to float around in the resovoir, also the might not be able to handle the pressure, rupturing before leaving the barrel.
Kelpbot says: Feb 3, 2012. 10:13 AM
I have some extra airsoft AEG barrels lying around, and I was thinking of building a minigun similar to this, but I'd use a 1.5' barrel rather than a 3' barrel. Do you think it would still have good accuracy?
NightHawkInLight (author) in reply to KelpbotFeb 3, 2012. 1:29 PM
It's not going to have great accuracy no matter what, but it sprays so many pellets that doesn't matter. I don't think a shorter barrel will hurt anything. You also don't need to use an aluminum barrel as I do. For a few dollars you can buy a brake line at an auto parts store that has fittings to thread into the PVC rather than being glued in.
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