Legal analysis: You can't pick up shell casings at the shooting range, because someone will take them away privately, and loading ammunition may cause casualties, so the quantity must be correct.

Legal basis: People's Republic of China (PRC) National Defense Law.

Article 59 Soldiers must be loyal to the motherland, to the China Production Party, perform their duties, fight bravely, not afraid of sacrifice, and defend the security, honor and interests of the motherland.

Article 60 Soldiers must abide by the Constitution and laws in an exemplary manner, observe military regulations, execute orders and strictly observe discipline.