So I put it on my Christmas list, and hooray someone bought it for me!
As expected, replacing the barrel was very easy, provided you are careful with disassembly and reassembly.
The stock plunger and spring are immensely powerful so there's absolutely nothing you need to do with them.
+ #0 Screwdriver
+ #2 Screwdriver
+ Barrel of Choice
+ Electrical tape
+ Scrap 1/2 SCH40 PVC Pipe
First step is to remove the tube magazine. Simply twist and slide out. You won't be needing it, so you can convert it into a flashlight module or something.
The whole front half of the gun can be removed by simply removing some screws.
Push the pump slide forward and pry open the back of the front half of the blaster enough so that you can pry the receiver and barrel out of the faux barrel. You may need help with this if you have large hands because getting fingers in there to leverage the assembly free is a bit of a chore.
One TINY little screw holds this assembly together and cannot be removed unless you have a #0 size screwdriver.
The barrel collar has a rubber hop-up inside of it that fits together with the stock barrel.
Trim the hop-up off using some scissors so that you're left with a rubber ring.
If your stefans can fit through the center of this ring you can use it. If your stefans are too large you will have to figure out a different method of sealing the tip of the plunger against your replacement barrel.
Put the rubber ring back into the barrel collar (if it will work with your stefans).
Cut a 9" to 12" length of your preferred barrel material.
Now wrap some e-tape around the end of your barrel material of choice until it fits very snugly in the barrel collar with the rubber ring.
Any barrel material with an OD smaller than .67" inches will fit inside the barrel collar.
Make a bushing out of 1/2 SCH40 PVC. This bushing will act only to center the end of the barrel. My pictured bushing was drilled on a lathe to match the OD of my preferred barrel (1/2" ID 5/8" OD Polyester).
Use this part without the front of the blaster reassembled to test different barrel lengths.
The rest of the process is trying to fit the resulting assembly back into the front half of the blaster without your replacement barrel trying to put the rubber ring out of the back of the receiver. Once the barrel is in the blaster it's impossible to tell it apart from the stock blaster.
Or if your stefans won't fit through the rubber ring, figuring out a way to get a seal with a different method.
If you want to secure the replacement barrel more firmly you can take it out, drill a hole in the faux barrel, resinstall the replacement barrel, then use the hole you drilled to fill the gap with hot glue. I would advise you not do this with a thin PETG barrel however since theh eat of the hot glue will warp it. I have not yet had my replacement barrel shift around enough to need to secure it further.
Average ranges with Dart Tag Darts fired out of the tip of a 12-inch barrel: 50 feet
I will have stefan range results once I get around to making stefans. I have been kind of busy lately and only have blanks at the moment.
Edited by CaptainSlug, 27 December 2008 - 01:56 AM.