Ironically, an employee of Colt, Rollin White, came up with the idea of boring through the cylinder to accept the new metallic cartridges but Sam...
![The Mason-Richards Conversion Unit](https://truewestmagazine.com/wp-content/uploads/2022/02/feat-03.png)
The Mason-Richards Conversion Unit
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Ironically, an employee of Colt, Rollin White, came up with the idea of boring through the cylinder to accept the new metallic cartridges but Sam...