arms and ammunition; weapons and ammunition
Collective term for military weapons and their ammunition; used in formal, legal, or military contexts.
This law regulates the import and export of arms and ammunition.
The smuggling of weapons and ammunition has become a problem.
武器 means 'weapon' in general, while 武器弾薬 specifically includes ammunition as well.
弾薬 means 'ammunition' alone; 武器弾薬 covers both weapons and ammunition together.
Compound of 武器 (weapon) and 弾薬 (ammunition), forming a collective term for military arms and ammunition.