The U.S. Army and Special Operations Command are stepping up efforts to procure a lighter, modernized .50-caliber machine gun more easily transported than the standard 85-pound M2.

The goal is not to replace the M2, a combat fixture for 70 years, but to augment the inventory with a .50-caliber weapon that brings the same firepower at less than half the weight, Army officials said here at the Feb. 27-29 winter convention of the Association of the U.S. Army. Early models of the Light Weight .50-caliber (LW50) are expected to be delivered this year.

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