This is a picture of the M4 rifle. The M4 is the standard rifle of the US Army. It is chambered in 5.56 NATO and is capable of semi-automatic or burst fire. It is a shorter version of the M16. It is very accurate and uses a 30-round magazine.
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1,024 × 382 pixels
US Army, “M4,” Exhibits, accessed July 12, 2020, http://derekenglehistory.com/omeka/items/show/13.