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Formatting Firearms/Sacramento_Pistol-Caboose/README.md.

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Firearms/Sacramento_Pistol-Caboose/README.md
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#### Description #### Description
I decided to design and print my own legal 3d printed gun. There was a noticeable lack of 3d printed guns chambered in .22LR. The Reppringer was the obvious choice to copy, but it ended up being a weak design with flaws, mainly, the trigger would have to rest in the palm of one's hand, and there was no place for the 3.7oz or more of metal I would need to include to make it legal. I decided to design and print my own legal 3d printed gun. There was a noticeable lack of 3d printed guns chambered in .22LR. The Reppringer was the obvious choice to copy, but it ended up being a weak design with flaws, mainly, the trigger would have to rest in the palm of one's hand, and there was no place for the 3.7oz or more of metal I would need to include to make it legal.
My first step was to decide on a plasic or metal barrel. I decided to pick an old style Ruger Single Six revolver barrel, in .22LR. If you know anything about revolver barrels you know they have no chamber, so I knew I would be making my own. I opted to use some brass pipe, not super strong, but enough, as the chamber. My first step was to decide on a plasic or metal barrel. I decided to pick an old style Ruger Single Six revolver barrel, in .22LR. If you know anything about revolver barrels you know they have no chamber, so I knew I would be making my own. I opted to use some brass pipe, not super strong, but enough, as the chamber.
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I have not gotten around to a live fire testing, and my only worry now is the brass pipe chamber is too weak, as the tensile strength is not a whole ton better than ABS, so I plan to replace it with steel, or even mill a chamber into the Ruger barrel. Time will tell. For now I have something relatively inexpensive. I have not gotten around to a live fire testing, and my only worry now is the brass pipe chamber is too weak, as the tensile strength is not a whole ton better than ABS, so I plan to replace it with steel, or even mill a chamber into the Ruger barrel. Time will tell. For now I have something relatively inexpensive.
All parts printed 100% infill, 0 shells, on a Makerbot Replicator. All parts printed 100% infill, 0 shells, on a Makerbot Replicator. Your printer may not add 1 shell. You need 1 shell by default. Makerbot adds it for me. All parts are printed without support. The grip should be on the spine. It should be obvious.
##### You will need the following components:
* [Small spring goes in grip](http://www.mcmaster.com/nav/enter.asp?partnum=9657K331), [large one in frame](http://www.mcmaster.com/nav/enter.asp?partnum=9657K414).
* See [video](https://www.youtube.com/watch?v=cPWU3TcJ7zU) for more details.