Final answer:
It is true that old or corroded ammunition should not be used as it can lead to misfires, firearm damage, and personal injury due to compromised structural integrity and deteriorated propellant.
Step-by-step explanation:
The statement that you should never use old or corroded ammunition is true. Using such ammunition can be incredibly dangerous for several reasons. First, the structural integrity of the cartridge may have been compromised, leading to a potential failure to fire or a catastrophic misfire which could cause harm to the shooter or bystanders. Corrosion can also obstruct the firearm's barrel or damage the weapon's internal components when fired, risking personal injury and damage to the firearm. Additionally, ammunition that is outdated may have deteriorated propellant, leading to inconsistent performance and potentially dangerous pressure levels within the firearm upon ignition. Therefore, for safety and performance purposes, it is imperative to use ammo that is in good condition and well maintained.