This upper lower combo was designed by Protofirearms. His videos can be found on YouTube under Protofirearms. This is the only 3D printed upper I have seen tested with 5.56 rounds.
Keep in mind that this is a work in progress. There is a readme attached with assembly info.
File | Extension |
---|---|
obj.mtl | mtl |
Stock spacer.stl | stl |
PCRv3pin.obj | obj |
PCRv3Upper.stl | stl |
PCRv3Upper.obj | obj |
PCRv3Threads.obj | obj |
PCRv3TakedownSupport.stl | stl |
PCRv3TakedownSupport.obj | obj |
PCRv3TakedownPin.stl | stl |
PCRv3StockRing.stl | stl |
PCRv3StockRing.obj | obj |
PCRv3LowerThreads.stl | stl |
PCRv3LowerMain.stl | stl |
PCRv3LowerMain.obj | obj |
PCRv3Handguard.stl | stl |
PCRv3HG.obj | obj |
PCRv3.stl | stl |
PCRv3.obj | obj |
PCRv3.JPG | JPG |
!!!READ ME!!!.txt | txt |
Version: 1.0.0 latest
Initial release
This upper lower combo was designed by Protofirearms. His videos can be found on YouTube under Protofirearms. This is the only 3D printed upper I have seen tested with 5.56 rounds.
Keep in mind that this is a work in progress. There is a readme attached with assembly info.
5.6K
665
Aug 02, 2022
3D Printer
United States
English
No license
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File | Extension |
---|---|
obj.mtl | mtl |
Stock spacer.stl | stl |
PCRv3pin.obj | obj |
PCRv3Upper.stl | stl |
PCRv3Upper.obj | obj |
PCRv3Threads.obj | obj |
PCRv3TakedownSupport.stl | stl |
PCRv3TakedownSupport.obj | obj |
PCRv3TakedownPin.stl | stl |
PCRv3StockRing.stl | stl |
PCRv3StockRing.obj | obj |
PCRv3LowerThreads.stl | stl |
PCRv3LowerMain.stl | stl |
PCRv3LowerMain.obj | obj |
PCRv3Handguard.stl | stl |
PCRv3HG.obj | obj |
PCRv3.stl | stl |
PCRv3.obj | obj |
PCRv3.JPG | JPG |
!!!READ ME!!!.txt | txt |
Version: 1.0.0 latest
Initial release
The files shown on this site are only available to U.S. Persons, as defined at 22 C.F.R. 120.15. The files are also not available to persons outside the United States or to residents of and persons in the State of New Jersey, with the exception of Federal Firearms Licensees.