Adding A Single Shot AR-15 Upper Receiver for the Charon v3.0 by Proteus.

Pistols/AR15_Single_Shot_Upper_Reciever-Proteus/README.md

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+# Single Shot Polymer AR-15 Upper Receiver -Proteus
+
+#### Caliber
+.380 ACP
+
+#### Test Status: 
+Untested
+
+#### Description
+This is a 3D-Printable Single Shot AR-15 Upper Receiver. The goal behind this is to allow those living
+in the state of California to have a gun they can print without it being called a "Zip gun". Because this uses the AR-15 lower,
+which is legally by itself a gun, this is not a zipgun (meets criteria of being designed by a licensed manufacturer which the AR-15
+meets). 
+
+#### Instructions
+Print out either the full Upper if you have a printer capable of doing +7.5 ", or both pieces and use MEK to fuse them together completely.
+This design as-is will only work with a Charon v3.0 ABS Lower Receiver, however a slight modification to the rear takedown hole will allow a normal lower to be used.
+Add a 3.7 oz piece of metal to either the Upper or the Lower to comply with the UFA. This must be epoxyed on. For materials, do not use PLA.
+Use ABS in most cases. If you want to use PC, PETT, or Nylon, you must print it in one piece. 
+
+The barrel needs to be acetone treated before firing as would a liberator barrel. Insert barrel and twist 45 degrees to lock in place. 
+
+Insert a nail into the hole at the back of the barrel area for a firing pin. 
+
+This design requires a LPK (Lower Parts Kit). However, leave out the catch and the mag release (The catch will not even allow the upper to be mounted, and the release is useless as a mag is impossible in this design.)
+Printing a LPK is not reccomended as the parts would likely not stand up to the stress. When firing, the AR-15 Hammer is cocked back so as to hit the firing pin.
+
+The creator takes no resposibility for any damage caused by this design. Use at your own risk. 

Pistols/AR15_Single_Shot_Upper_Reciever-Proteus/STEP/SS_upper_barrel.step

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