rubber bullet

rubber bullet (plural rubber bullets)

1. A large ballistic projectile made of or coated with rubber that has a propellant charge, typically used for riot control.

   Synonym: baton round

   • 2017 October 22, Sam Jones, “Catalonia weighs up declaration of independence”, in the Guardian‎:

     Dastis defended the Spanish police’s actions as they tried to halt the referendum, even though other members of the government have apologised for the violent scenes when officers raided polling stations, charged the crowds with batons and fired rubber bullets.

Despite the name, they are now more likely to made from other substances such as wax or plastic.

• defense ball launcher
• flash-ball
• riot gun
• riot control