S.D. Codified Laws § 22-14-15.3
Current with legislation signed by the governor on or before 3/6/2024
For purposes of §§ 22-14-15 and 22-14-15.1, the term, firearm, includes any antique firearm as defined in subdivision 22-1-2(4) and any muzzle loading rifle, muzzle loading shotgun, or muzzle loading pistol, including muzzle loading weapons that are designed to use black powder or a black powder substitute and cannot use fixed ammunition.
SDCL 22-14-15.3