The SX-21 scatterblaster, also known as the SX-21 blaster rifle, was a model of pump-action scatter blaster rifle made by Merr-Sonn Munitions, Inc., and proved invaluable to Imperial mudtroopers during the heavy fighting with the Mimbanese during the Mimban campaign.
- Solo: A Star Wars Story (First appearance)
- Solo: A Star Wars Story: Expanded Edition
- Solo: A Star Wars Story: Expanded Edition audiobook
- Solo: A Star Wars Story The Official Guide (First identified as SX-21 blaster rifle)
- Star Wars: Smuggler's Guide (First identified as SX-21 scatterblaster)