Introduction: Pneumatic Arrow Gun, PAG-1

The PAG-1, Pneumatic Arrow Gun. Can be used for hunting, self defense, camping, and it can be used safely as an awesome Nerf gun too! It is slimmer and more compact than a crossbow, and can fire multiple shots on a single tank of air. It can shoot both modified crossbow bolts and full sized arrows.

Step 1: Blueprints

The PAG-1 is my response to being poor and being in awe of the Verminator pneumatic crossbow.

Costing over $2,000, I quickly noped out and sat down with my friends to figure out how to make our own. We ended up coming up with a bullpup style air gun, using a used fire extinguisher as the pressure chamber. After coming up with a rough sketch for the design, we got to work on making it, even though the final product had quite a few differences with the original design, most notable the lack of the pvc arrow shroud and a bigger stock.

Step 2: Pressure Chamber

The main part of the PAG-1 is the air tank. We used a fire extinguisher because we liked the handle and thought it would make a great trigger when on its side. First we had to make the tank refillable, and this was accomplished by drilling a hole into the side of the tank and J-B welding a bike tire valve in the hole. After waiting a day for it to dry, we tested the seal, and it worked!

Step 3: Making the Grip

The handle was built by cutting off the handle of the fire extinguisher with a scroll saw and J-B Welding a plastic handle on. This resulted in an ergonomic grip that functioned flawlessly.

Step 4: Vinyl Tubing

Vinyl tubing was attached to the opening of the fire extinguisher and a hole drilled in order for it to feed through. The tube is what will connect the pressure chamber to the firing rod.The firing rod was made out of a copper tube, 6mm outer diameter, that was sanded down by placing it in a power drill and spinning to make sure it was even until it let the arrows slip on and off easily.

Step 5: Fore Grip

A small slanted fore grip was cut out of wood and reinforced with triangle pieces. it is close to the handle, as this is in a bullpup design, and acts almost like a trigger guard.

Step 6: The Stock

The stock's connection is high on the gun, making it necessary to have it have a neck angling it lower. The three pieces of wood were glued and clamped together.

Step 7: Painting the Body

The tubes are all covered in painters tape, and then the body got a nice coat of white primer.

Step 8: Painting the Accent Peices

A bunch of metal accent pieces, including hooks to secure the vinyl tubing and a scope mount, were spray painted white, and then bright orange.

Step 9: Securing Vinyl Tubes

Hooks and brackets secure the vinyl tubing in place, safely out of the path of the arrow. The end of the tube is secured with zip ties to a connection of the arrow rod. A bike valve cover is also added for aesthetic and safety.

Step 10: Attaching Accents

A rubber piece is added to the stock for comfort, along with a scope, shotgun style fore grip, arrow holder and several metal plates to strengthen the body.

Step 11: Complete

And finally, the PAG-1 is complete. This beautiful weapon can be used to shoot both full sized arrows and crossbow bolts. A full tank at 150-psi can shoot 3 consecutive arrows at full force. The tank can be pressurized much higher, but to be safe we keep it relatively low. Specialized arrows allow it to shoot flaming projectiles, but they must be shot at a lower velocity. Possible upgrades include adding a 10 watt led into the orange fore grip and adding a green laser for quick accurate targeting.

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