The Second Amendment to the United States Constitution protects law-abiding citizens’ right to possess — and, as a necessary incident to that right, to acquire — firearms that are in common use for lawful purposes. This includes handguns, which are “the quintessential self-defense weapon” and “the most popular weapon chosen by Americans for self-defense in the home.

Source: NRA v. Moore, US District Court, District of Maryland, storage.courtlistener.com/recap/gov.uscourts.mdd.606289/gov.uscourts.mdd.606289.1.0.pdf