空くう包ほう

noun

blank cartridge; blank ammunition

Refers to firearm cartridges that contain gunpowder but no projectile, used for training, signaling, or theatrical effects.

• 訓くん練れんでは空くう包ほうを使し用ようします。

  We use blank cartridges in training.

• 映えい画がの撮さつ影えいで空くう包ほうが使つかわれた。

  Blank ammunition was used in the filming of the movie.