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				Originally posted by Geoff Winnington-Ball  
  The "arrow" is a standard British proof mark indicating acceptance by the British military. Most British Army squaddies already know that the top bit is the part that opens the box, hence a rare need for any directions...   
			
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 I figured that if anything, the arrow meant 

 "load with this end up" and had nothing to do with signifying which end to open ...  
 
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