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

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Introduction: 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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    227 Comments

    What is the FPS

    FPS means Feet Per Second

    Im getting like 150 fps at 20-30 psi. So this baby has alot of potential

    Adding to that, the tighter your barrel is around the bb, the more air can build up behind it. You can get 7mm inner diameter pipe made of carbon fiber on ebay for like $10. Just ordered some ill tell you how well it works. ;)
    So exited

    feet per second

    Real nice design. Im currently making one out of abs. Also adding a portable backpack (much like yours) but that has a small compressor built in for unlimited air.

    what type of weapon would this be considered? I know its not a legitimate deadly weapon when used as intended, but i want to know if it is legal in Pennsylvania.

    I think this is a very nice design, I plan on making this and putting a bipod and swivel to camp out. One way to make the ammo last longer is to put a small door (sorry I forgot what the name of it is... Latch?) connecting the ammo reservoir to a fairly large "hopper" and when the ammo runs out in the resovoir just open the door and let a small amount into the resovoir. Vwala!

    i'm going to make one and make the tip orange

    This thing is awesome!