ARLINGTON, VA. — The Marine Corps has moved one step closer to selecting a next-generation light automatic rifle. On Friday, the Marine Corps Systems Command in Quantico, Va., announced contract awards for three competing weapons manufacturers to produce and deliver their final entries to the Corps by the middle of next year, in what signifies a final round of competition that began with ten candidates. The lighter, magazine-fed Infantry Automatic Rifle — or IAR — is intended to replace the belt-fed M249 Squad Automatic Weapon — or SAW — in “the Marine Rifle Squad within infantry battalions and in the...