|SB-920 laser cannon|
| Usage and history
The SB-920 laser cannon was manufactured by Borstel Galactic Defense. They were manufactured exclusively for Imperial starships and the Death Star. It was manned by one gunner who was stationed in a pressurized enclosure. They fired through magnetic Force field ports.
- Star Warriors: Starfighter Combat in the Star Wars Universe (As "Single Turret Gun" and "single-gun turret")
- Star Wars Blueprints: The Ultimate Collection
- Star Wars: Imperial Handbook: A Commander's Guide