May 19,2008: The U.S. Department of Defense has given General Dynamics $9 million to try and develop a lightweight .50 caliber (12.7mm) machine-gun (to be known as LW50MG for the moment) that works.
July 31, 2007: Two years ago, field testing of the XM-312, the replacement for the eighty year old, .50 caliber (12.7mm) M-2 ("Ma Deuce") machine-gun, began, in the United States and overseas. Then, ...
After 70 years of distinguished service, the U.S. Army is preparing to retire the M2HB .50-caliber machine guns. Replacing the M2 will be the lighter and more accurate XM312 .50 caliber (12.7 mm). The ...