The justices said Tuesday they will take up appeals asking the court to strike down bans on the AR-15 and similar semiautomatic firearms in Connecticut and the Chicago area.
A debate over gun restrictions at the local level nearly led to a brawl between two politicians.
The Supreme Court on Wednesday upheld government regulation of self-assemble firearm kits that produce untraceable weapons known as "ghost guns."
A federal appeals court struck down a longstanding federal ban that prevented the sale of handguns to Americans between the ages of 18 and 20 - a landmark gun control regulation in place since 1968.
Wisconsin has a number of firearm-related laws in effect that limit access to children and individuals with a history of violence.
President Joe Biden has repeatedly pledged to not pardon his son, including in an interview with "World News Tonight" anchor David Muir.