3. Achieving Interchangeable Gun Parts (Part 1) – Eric Johnson Explains

Posted on October 18, 2021 by Admin

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https://web.archive.org/web/20121020155133/https://civilwarscholars.com/2011/09/the-man-who-changed-the-world-that-you-never-heard-of-eric-johnson-explains/

VIDEO: Achieving Interchangeable Gun Parts – Eric Johnson Explains – TRT: 7:58

Gunsmith Eric Johnson