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YouTubeArchiver 21 Dec 2019
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[ARCHIVED] Electro Chemical Machining (ECM) rifling

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Reuploaded from YouTuber "cskeju".
There are better videos and guides but I wanted to preserve this upload. It dates back to 2014.
For a better guide please look up Jeff Rodriguez and his Liberator12k project or Deterrence Dispensed.

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