The T-21B heavy blaster was a long-range version of the T-21 heavy blaster. It boasted two optics which the T-21 lacked, making it deadly at greater distances, but not useful for close quarters combat.
- Star Wars Battlefront (First appearance)
- Star Wars Battlefront Gameplay: Blasters Section. ea.com (November 14, 2015). Retrieved on November 14, 2015.
- Star Wars: Legion – Imperial Shoretroopers Unit Expansion (Card: T-21B Trooper)