Trump was once a Democrat who supported an AWB. His hearts not necessarily in it, however like most sociopaths he has decided gun owners are on his team and you can anticipate he will be consistent with defending 2A rights if for no other reason than thwarting his enemies (ie liberals).
You can bet that office of gun safety or whatever it is, that Kamala heads up - poof & gone on Jan 20th. Probably some NRA guy heads up the ATF. Lots of that.
Gun rights preserved for 4 years. And outside of that, will come down to the house and what they decide sounds fun. Potentially, Republicans take the house, that "hearing protection" legislation making suppressors gun parts could get brought up and pass.
Long lasting and almost guaranteed benefits will be, Supreme Court and other judges, yes. We could end up with a 7/2 split.