Manually operated, it fires all 40mm grenades, less-lethal and non-lethal ammunition, and tear/irritant gas projectiles; spent cartridges are ejected for easier reloading.

Such launchers are also often known as "gas guns" due to their original use by police for launching tear gas projectiles.

The original design used kinetic and tear gas projectiles for use in the M234 Riot Control Launcher.

There was no response, Hamilton said, so a deputy then fired two tear gas projectiles into the bar through the front door.

He was not arrested - not even detained - and at that point a deputy fired two more tear gas projectiles through the front door of the place.

There may have been time our outside support teams to launch gas projectiles ugh the outside window.

What you do is simply mount an under-barrel tubular grenade launcher and fire away with your tear gas projectiles.

The Medusae conquer the Moon, set up bases there, and bombard Earth with gas projectiles.

After several more attempts to get anyone else to leave the house, a member of the SWAT team fired tear gas projectiles into the house.

The gas projectiles were dangerous and it was remarkable that no one was injured by them.