Weight limits what the soldiers can carry.
The logistics of changing the armed forces main battle rifle along with ammo is no small thing. John Garand brought the m1 to the military in .277. He was told it was the wrong caliber. The Ammo around the world for Army and Marines was 30-06. He change the rifle and brought it back. The Army accepted it, the Marines stuck to the 03. 1st Marines landed at Guadalcanal with the 03s. They were reinforced by the Army during the battle. The wounded dog faces left with 03s. some of jar heads still in the fight fought with garands the rest is history. The fact that Army and Marines are in the quest together is a good thing I think. But its a hell of a task.
“Weight limits what the soldiers can carry”
Yes it does, but anyone who has observed how the “Christmas Tree” effect comes into play with Infantry understands that statement is kind of a red herring. 30-06 will reach out and touch someone, and turns cover into concealment. And it’s certainly not an “either or” prospect, I wish .gov organizations would get beyond that.