C3225 Modify the Air Cannon

How to install the cannon was the first question. Now, when Zhang Xing opened the blueprint, he was stunned. This blueprint placed the most important cannon in the belly of the plane!

"First, let's modify the abdomen. We will deploy a 20mm Six Barrel Machine Cannon here as well as a sufficient number of ammunition cabins. At the same time, adjust its remote aiming device." Qin Guan said