noun
live ammunition; real bullet; live round
Refers to actual bullets or shells that can be fired, as opposed to blanks or dummy rounds. Used in military, police, and news contexts.
警察は犯人が実弾を所持していたと発表した。
The police announced that the suspect was carrying live ammunition.
訓練では
Live rounds are not used in training.
noun
bribe money; cash (for illicit purposes)
Colloquial, often used in contexts of bribery or under-the-table payments. The metaphor is that money is 'ammunition' to get things done.
あの政治家は実弾を使って口を封じたと言われている。
That politician is said to have used cash to buy silence.