[Seruzawa]

Waiting to see how the US arms industry will influence Congress to stop this.

[MrEdd]

No valid reason for them to do so.
HK has licensed production of their designs before, and having the weapons made in the United States should be on the table.

I bought an HK91 made in Brazil back in ‘84.

[Perseverando]

Here's an article from November 20, 2016: Will the Marine Corps Replace the M4 with the HK416? USMC Evaluates M27 IAR as Standard Issue Rifle