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How Sargent's 6300 Large Format Interchangeable Core Works

By |March 23rd, 2020|Categories: All, Cores and Cylinders|

https://www.youtube.com/watch?v=ygFleM64nDI Sargent 6300 Large Format Interchangeable Core History Sargent began producing their proprietary large format interchangeable core, the 6300, in the late 70s. It isn’t [...]

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