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  The sringfield was the most commonly used by American infantry during WWI
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  This was the second most common during WWI, It was more light weight than the springfield but it did not have as high a fire rate
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  The U.S enters WWII
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  This was the common paratroopers rifle because of its light weight
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  This was the rifle used by most infantry men
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  A modern version of the one used in WWI
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  The most commonly used assult rifle in history behind the AK47 this gun however was the fault for thousands of American deaths, because it malfunction in the heat of battle because of the humidity and rain
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  The m14 was a very comforting weapon because when a soldier knows that he has a weapon that will shoot through the rice patties hit the viet kong soldier, kill him and even maybe kill the guy behind him it makes a pretty good stress reliever.
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  Will never be forgotten as the most horrific attack on U.S soil ever
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  an upgraded version of the M16 that is more durable, light weight and all around reliable.