Do previously fired brass cases require special preparation before being reloaded because of the stresses placed on them?

The correct understanding of reloading previously fired brass cases is that they do not require special preparation before reloading. Brass cases can generally be reused multiple times without any unique processing beyond standard reloading procedures, provided they have not sustained damage.

When cases are fired, they undergo deformation and expansion to fit the chamber of the firearm, but they are designed to withstand these stresses. After firing, most brass cases can be inspected for visible signs of wear or damage, cleaned, resized, and then reloaded without the need for special handling.

If a case shows signs of fatigue—such as cracks, splits, or excessive elongation—then it should be discarded. However, in typical scenarios, as long as the brass is in good condition, the standard reloading preparation techniques are sufficient.

This understanding reinforces the practical approach to reloading that emphasizes inspection and maintenance of the brass without necessitating complex or special steps unless there is evidence of damage.