SC Code § 23-31-310 (2021)
2021 South Carolina Code of Laws|Title 23 - Law Enforcement and Public Safety|Chapter 31 - Firearms|Section 23-31-310. Definitions.

 When used in this article:  (a) "Machine gun" applies to and includes any weapon which shoots, is designed to shoot, or can be readily restored to shoot, automatically more than one shot, without manual reloading, by a single function of the trigger. The term shall also include the frame or receiver of any such weapon, any combination or parts designed and intended for use in converting a weapon into a machine gun, and any combination of parts from which a machine gun can be assembled if such parts are in the possession or under the control of a person.  (b) "Sawed-off shotgun" means a shotgun having a barrel or barrels of less than eighteen inches in length or a weapon made from a shotgun which as modified has an overall length of less than twenty-six inches or a barrel or barrels of less than eighteen inches in length.  (c) "Shotgun" means a weapon designed or redesigned, made or remade, and intended to be fired from the shoulder and designed or redesigned and made or remade to use the energy of the explosive in a fixed shotgun shell to fire through a smooth bore either a number of ball shot or a single projectile for each pull of the trigger. The term includes any such weapon which may be readily restored to fire a fixed shotgun shell but does not include an antique firearm as defined in this section.  (d) "Sawed-off rifle" means a rifle having a barrel or barrels of less than sixteen inches in length or a weapon made from a rifle which as modified has an overall length of less than twenty-six inches or a barrel or barrels of less than sixteen inches in length.  (e) "Rifle" means a weapon designed or redesigned, made or remade, and intended to be fired from the shoulder and designed or redesigned and made or remade to use the energy of the explosive in a fixed cartridge to fire only a single projectile through a rifled bore for each single pull of the trigger. The term includes any such weapon which may be readily restored to fire a fixed cartridge but does not include an antique firearm as described in this section.  (f) "Antique firearm" means any firearm not designed or redesigned for using rim fire or conventional center fire ignition with fixed ammunition and manufactured in or before 1898 (including any matchlock, flintlock, percussion cap, or similar type of ignition system or replica thereof, whether actually manufactured before or after the year 1898) and also any firearm using fixed ammunition manufactured in or before 1898, for which ammunition is no longer manufactured in the United States and is not readily available in the ordinary channels of commercial trade.  (g) "Military firearm" means any military weapon, firearm, or destructive device, other than a machine gun, that is manufactured for military use by a firm licensed by the federal government pursuant to a contract with the federal government and does not include a pistol, rifle, or shotgun which fires only one shot for each pull of the trigger.  HISTORY: 1962 Code Section 16-121; 1952 Code Section 16-121; 1942 Code Section 1258-1; 1934 (38) 1288; 1975 (59) 135; 1990 Act No. 564, Section 2; 1999 Act No. 71, Section 2.