Halo Nation

M301 40mm Grenade Launcher

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“The only thing I can think of that would make the MA5C any sweeter would be an under-slung shotty or a forty mike mike.”
— Anonymous UNSC Serviceman[1]

An M301 Grenade Launcher attachment mounted on top of the barrel of an NA4 Flamethrower.

The M301 40mm Grenade Launcher was a UNSC weapon designed to fire explosive grenades.


Hellbringers are equipped with the M301 to launch flashbang grenades in order to stun and surprise enemy troops.[2]

The M301 can also be attached under the barrel of the MA5B and MA5C assault rifles, replacing the standard flashlight attachment.[1]



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