Adding Skorpion VZ61 Receiver version 6 by Daviot.

Pistols/Skorpion_vz61_Lower_Receiver_v6-Daviot/README.md

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+# Skorpion VZ-61
+
+#### Author
+Daviot
+
+
+#### Version
+6.0
+
+#### Description
+This is the VZ-61 Version 6 by Daviot. This version is a modification of brute's vz61 receiver that requires less tooling.
+
+#### Changelog
+Update 2/21/2017-Added threads to the lower receiver to allow the grip screw to thread into the printed receiver as on the metal versions, as finding a tap for ISO M15x1 RH threads is a pain. Also included is a printable M15x1 RH nut to testfit if your printer can print adequate threads.-Daviot
+
+Update 4/22/2014
+* Increased OAL between takedown pin hole and buffer tower .014 in
+* tightened magwell length to proper spec
+* adjusted mag release button diameter and slot
+* adjusted bolt hold open hole diameter and made cut for clearance on bottom
+* adjusted fcg hole diameter
+* increased material behind ejector to improve strength
+* added fillets inside fcg pocket to improve strength
+* increase pistol grip hole size
+* adjusted pistol grip slot for more clearance towards front
+* added stock clearance cut and retainer hole
+* added clearance for stock when open
+* added clearance cut for fcg pin to sit flush
+* added two 'lightening' on sides of magwell as well as buffer tower rear for cosmetics.
+
+#### Build notes (Daviot)
+* This new v6 includes printed threads for the grip screw. If you would rather cut said threads yourself, use the the v5 model and use a high-speed steel tap.
+* If printing in ABS, the magazine well will require sanding and test fitting due to shrinkage.
+* If building a semi-auto Vz-61 from a military parts kit, you will need either a semi-auto sear or to cut the interruptor prong off the sear and a semi-auto selector switch.