Case lubing refers to the process of applying lubricant to the exterior surface of firearm cartridge cases before reloading or handloading them. The lubricant used is typically a thin, oily substance that reduces friction between the case and the reloading dies during the resizing process.
The primary purpose of case lubing is to make it easier to resize the spent cartridge cases. When fired, the brass or other metal cases expand to conform to the shape of the chamber in the firearm. To reuse these cases, they need to be resized back to their original dimensions, which involves passing them through reloading dies. However, due to the increased dimensions and possible deformation caused by firing, the cases can become stuck or difficult to resize without proper lubrication.
By applying a thin layer of lubricant to the cases, you create a smooth surface that allows them to pass through the reloading dies with less resistance. This reduces the chances of cases getting stuck or damaged during the resizing process. Additionally, case lubing can help prolong the life of the reloading dies by minimizing wear and tear caused by friction.
There are different methods and products available for case lubing, including sprays, liquid lubes, and wax-based lubes. It's important to follow the manufacturer's instructions and use the appropriate lubricant for your specific reloading setup.
In summary, case lubing is performed to facilitate the resizing of spent cartridge cases during the reloading process, ensuring smooth and efficient reloading while reducing the risk of damage to the cases and reloading dies.
You can buy some case lube here.
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