What is one of the primary signs of a malfunctioning weapon?

A primary sign of a malfunctioning weapon is the failure to fire when the trigger is pulled. This issue indicates that there is a significant problem within the weapon's operation, which could stem from various mechanical failures or misfires. For example, this could be due to a faulty firing pin, a problem with the ammunition, or an obstruction in the firing mechanism. Identifying this sign is crucial, as it immediately suggests that the weapon is not functioning as intended and requires immediate attention to ensure safety and proper operation.

While unusual sounds when fired, frequent jamming of ammunition, and excessive recoil might also indicate issues with the weapon, the clear and definitive sign of failure to fire directly impacts the immediate ability to use the weapon, making it a pivotal indicator of malfunction.