Whether a handgun and handheld pistol that fire automatically constitute 'arms' under the Second Amendment's plain text, thus requiring the government to justify the prohibition under 18 U.S.C. § 922(o)(1) by demonstrating that it is consistent with the Nation's historical tradition of firearm regulation?

Whether a handgun and handheld pistol that fire automatically constitute “arms” under the Second Amendment’s plain text, thus requiring the government to justify the proh ibition under 18 U.S. C. § 922(o)(1) by demonstrating that it is consistent with the Nation’s historical tradition of firearm regulation?