The United States Supreme Court is expected to release an opinion on West Virginia v. Environmental Protection on Monday, June 27th. See https://www.supremecourt.gov/
The last opinions of the term should be released on Monday before the summer recess.
You can listen to the oral argument here: https://www.oyez.org/cases/2021/20-1530
The docket is here: https://www.supremecourt.gov/search.aspx?filename=/docket/docketfiles/html/public/20-1530.html
This could be a major decision that would change the authority that the Executive Agencies have in making regulations.
It might, it would increase the number of people who own these machine guns and increase the market for the ammo. Depending on how the law would be revised of course.