- For similarly named shotguns, see KSG 12 and CSG-12.
- "Semi-auto shotgun. High damage spread with superior mobility."
- — In-game description
The SG12 is a magazine-fed, semi-automatic shotgun featured in Call of Duty: Black Ops 4.
The SG12 appears in the zombie maps Voyage of Despair, IX, Blood of the Dead, and Classified, where it's available as a weapon within the Mystery Box for 950 points. When upgraded via Pack-a-Punch Machine, it becomes the Breccius Rebornus with the magazine size increased to 20 shells and changed to be fully automatic.