M301 40mm Grenade Launcher

The M301 40mm Grenade Launcher was a UNSC weapon designed to fire explosive grenades.
==Usage==
Hellbringers are equipped with the M301 to launch flashbang grenades in order to stun and surprise enemy troops.Halo Wars: Official Strategy Guide, page 40
The M301 can also be attached under the barrel of the MA5B and MA5C assault rifles, replacing the standard flashlight attachment.Bungie.net: MA5C Assault Rifle
==Appearances==
*Halo Wars 
*Halo: Silent Storm
==Sources==
Category:Heavy Weapons
Category:Human Weapons
Category:Weapon attachments