• Pat Flood (@rebarcock) passed away 9/21/25. Pat played a huge role in encouraging the devolopmemt of this site and donated the very first dollar to get it started. Check the thread at the top of the board for the obituary and please feel free to pay your respects there. I am going to get all the content from that thread over to his family so they can see how many people really cared for Pat outside of what they ever knew. Pat loved to tell stories and always wanted everyone else to tell stories. I think a great way we can honor Pat is to tell a story in his thread (also pinned at the top of the board).

Ghost Gun - 3D Printed 9mm Carbine!

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Yes. All the pressure is in the upper, so there's no stress on the lower parts. Slap a 9mm Upper on the shown product and you're ready to rock and roll.
My upper shown in the picture is actually 3d printed as well. You can make a barrel from a "blast proof" pipe and add rifling to it via a process called "ECM"

The in home manufactured barreling prove to be nearly as effective and accurate as factory manufactured barrels.
 
I have about 80% of the parts printed. You can purchase parts kits for the metal bits, but I am going to manufacture my own barrel/firing pin, harvest my springs from ball point pens, etc...

Dude, I was pretty impressed with your initial post, being a gun and somewhat a tech nerd...but making your own barrel?! That is awesome!
 

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