4A, also known as 4-Attack, is a Chassis released by Takara Tomy as part of the Burst System as well as the Superking Layer System. It debuted in Japan with the release of the B-176 Random Booster Vol. 23 on December 26th, 2020.
In-depth information for Takara Tomy's 4A Chassis will be placed here once drafting has been completed for it. Please be patient.
- B-176 Random Booster Vol. 23 - 01: Hollow Deathscyther 12Axe High Accel' 4A
- B-176 Random Booster Vol. 23 - 03: Abyss Longinus 13 Spiral' 4A
- B-181 Random Booster Vol. 25 - 06: Brave Wyvern 10 Never 4A
- B-186 Random Booster Vol. 26 - 05: World Dragon Outer Moment 4A
- B-196 Random Booster Vol. 28 - 04: Super Hyperion Giga Metal Dimension 4A (Demon King Color Ver.)
- 4A is the only Dual-Spin Attack Type Chassis to be released.