S.C. Code Ann. § 23-31-10: Purchase of rifle or shotgun in another state.

A resident of this State including a corporation or other business entity maintaining a place of business in this State, who may lawfully purchase and receive delivery of a rifle or shotgun in this State, may purchase a rifle or shotgun in another state and transport or receive it in this State; provided, that the sale meets the lawful requirements of each state, meets all lawful requirements of any federal statute, and is made by a licensed importer, licensed manufacturer, licensed dealer, or licensed collector.