Semi-automatic handguns are displayed at shop in New Castle, Pa., March 25, 2020. A Biden administration rule requiring registration of stabilizing braces on handguns is unlikely to survive a legal challenge, a federal appeals court panel said Tuesday, Aug. 1, 2023, as it extended an order allowing a gun dealer and others challenging the regulation to keep owning, buying and selling the devices without registering them. (AP Photo/Keith Srakocic, File)