The M-40 light repeating blaster, also known as the "Thunderbolt", was a repeating blaster produced by Merr-Sonn. It was mounted on a bipod and produced powerful red bolts. They were impractical as close-quarter weapons however.
- Shatterpoint (First appearance)
- In His Image
- Star Wars: Legacy 37: Tatooine, Part 1 (Mentioned as "Thunderbolt Mark 7 blaster")
- Star Wars: Age of Rebellion Core Rulebook (First identified as M-40)