| Model name: | Extra 300 40% B |
| First flight: | June 2013 |
| Activity years: | 2013-15 |
| Brand: | ExtremeFlight |
| Category: | IMAC |
| Scale: | 40% |
| Wingspan: | 3,17m |
| Length: | 3,10m |
| Weight: | 19 kg |
| Propulsion: | DA-170 |
| Propeller: | Mejzlik 29x12-3 |
| Exhaust: | KS 1090-5 pipes |
| Receiver: | 2 Futaba R7008SB |
| Servos: | 10 Futaba BLS152 (4 ail, 2 ele, 3 rud, 1 thr) |
| Power system: | PowerBox Champion SRS |
| Rx battery: | 2 LiPo 2s/3700 mAh |