1. 
   M79
   (from the article `small arm`) ...accuracy remained poor. An effective answer was a shoulder-fired grenade launcher developed in the 1950s by the Springfield Armory. Resembling a ...
   Found op http://www.britannica.com/eb/a-z/m/1
   
   
2. 
   M79
   The M79 is an American break open, single shot grenade launcher. The M79 fires 40 mm diameter grenades (such as the M406) to a range of 400 metres (accurate to a range of 150 meters) and has a rate of fire of 5 rounds-per-minute. The M79 is fitted with a blade foresight and an adjustable folding lea...
   Found op http://www.probertencyclopaedia.com/browse/FYM.HTM
   
   

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