The DOJ could still appeal within 60 days of the decision but plans are unclear.
Michael Debiase was arrested and charged with pointing and presenting a firearm at a person, according to the South Carolina Law Enforcement Division.
A Michigan officer nearly shot a student playing a "water wars" game, the school district said.
In 1927, Congress passed a law barring the USPS from mailing concealable firearms unless they were from licensed dealers in an effort to curb crime.
HPD said a man who'd been asked to leave the H-E-B store in the past pointed a gun at a security guard on Tuesday, which prompted the store to go into a "secure" mode.
Trump's Republican administration alleges the ban violates the Constitution's Second Amendment right to bear arms.