The XM806 Lightweight .50 Caliber Machine Gun provides vehicle and weapon squads with a lightweight .50 caliber weapon system that is easily dismounted from vehicles for ground mount applications.
Lighter, Newer, Deadlier Gear May Be On The Way -- Army Times
60mm mortar is on the horizon, but.50-cal, new tank ammo face hurdles.
A lighter 60mm mortar is gun-up, new tank ammo is loaded but in a tactical pause, and the lightweight .50-caliber machine gun is clearing a considerable jam. Such is the status of three key weapon and munitions programs.
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My Comment: Another good article to read on lightening the load for US soldiers is .... Soldiers May Soon Have Lighter Machine Gun.