Range Brass to Finished Cartridge, Tips For The Ubiquitous .223 Cartridge, by R.W. – Part 3
On full charge cartridges, you need to watch for defects, so: Look for any swelling, cracks, splits, or thinning of the brass. Check for fouling, debris, or dirt jammed into the cavity of the shell case. It may be generally noted that discoloring around the top of the case at the neck radius is common with most military surplus brass and will often be polished off in the cleaning of the shell cases. Watch for any heavy corrosion or pitting, as this should be a warning that the bullet has lost some ductility and integrity due to the oxidization process, …