No, NRA instructors and certain other persons are exempt from all portions of the training except that which relates to the laws of South Carolina.
From Section 23-31-210:
(4) "Proof of training" means an original document or certified copy of the document supplied by an applicant that certifies that he is either:
(a) a person who, within three years before filing an application, successfully has completed a basic or advanced handgun education course offered by a state, county, or municipal law enforcement agency or a nationally recognized organization that promotes gun safety. This education course must include, but is not limited to:
(i) information on the statutory and case law of this State relating to handguns and to the use of deadly force;
(ii) information on handgun use and safety;
(iii) information on the proper storage practice for handguns with an emphasis on storage practices that reduces the possibility of accidental injury to a child;
(iv) the actual firing of the handgun in the presence of the instructor, provided that a minimum of twenty-five rounds must be fired;
(v) properly securing a firearm in a holster;
(vi) "cocked and locked" carrying of a firearm;
(vii) how to respond to a person who attempts to take your firearm from your holster; and
(viii) deescalation techniques and strategies.
(b) a person who demonstrates any of the following must comply with the provisions of subitem (a)(i) only:
(i) a person who demonstrates the completion of basic military training provided by any branch of the United States military who produces proof of his military service through the submission of a DD214 form;
(ii) a retired law enforcement officer who produces proof that he is a graduate of the Criminal Justice Academy or that he was a law enforcement officer prior to the requirement for graduation from the Criminal Justice Academy; or
(iii) a retired state or federal law enforcement officer who produces proof of graduation from a federal or state academy that includes firearms training as a graduation requirement;
(c) an instructor certified by the National Rifle Association or another SLED-approved competent national organization that promotes the safe use of handguns;
(d) a person who can demonstrate to the Director of SLED or his designee that he has a proficiency in both the use of handguns and state laws pertaining to handguns;
(e) an active duty police handgun instructor;
(f) a person who has a SLED-certified or approved competitive handgun shooting classification; or
(g) a member of the active or reserve military, or a member of the National Guard.