Loki 4x Gyros Hail Ammo
Loki 2x Gyros 2x Tracking Enhancers Hail Ammo
and the answer is ... use Titanium Sabot ammo for small fast things. The drop in DPS due to T2 to T1 change is not gonna be an issue for flying tin cans. So time to test this theory tonight and have some of these graphs handy.