Quote:
Originally Posted by ArmySGT.
Sorry, just saw this today.
No, that Rube Goldberg contraption was followed by the XM174E3 a belt fed 40mm that uses the same ammunition as the M79/M203. The ammunition is loaded into 12 round belts. Then along came them MK19 another belt fed grenade launher also designated a grenade machine gun for its rate of fire. The MK19 uses ammunition with a longer ase and more propellant which would destroy a M79/M203 if a person were to attempt firing through them this high velocity 40mm.
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High velocity qnd low velocity 40mm grenade shells. An important distinction to make. It's much the same as .44 special/.38speciql vs their Magnum versions.