noun
munitions factory; war plant
A factory that produces weapons, ammunition, or other military supplies.
その軍事工場は戦車の部品を製造している。
That munitions factory manufactures tank parts.
兵器工場 specifically refers to a weapons factory, while 軍事工場 is a broader term for any factory producing military-related goods.
Compound of 軍事 (military affairs) and 工場 (factory).