I don't think autocannon can be efficient against drones. You need to hit a small and fast-moving target - that's a job either for AA gun (which will need to sp

I don't think autocannon can be efficient against drones. You need to hit a small and fast-moving target - that's a job either for AA gun (which will need to spend a lot of ammo saturating the area around drone) or for high-powered precision laser.