I was studying the 110-G-2 and stumbled uppon the most common Ruststze<----Spelling) for the 110.
Messerschmitt Bf-110-G-2. Factory Direct
4 7.9mm Mg17
2 20mm Mg151/20
1 7.9mm Mg81z
Bombrack/ 2 Extra 20mm Mg151/20
Messerschmitt Bf-110-G-2/Ruststze 1
4 7.9mm Mg17
1 37mm cannon
1 7.9mm Mg81z
Messerschmitt Bf-110-G-2/Ruststze 3
2 30mm Mk108
2 20mm Mg151/20
Bombrack/ 2 Extra 20mm Mg151/20
1 7.9mm Mg81z
Messerschmitt Bf-110-G-2/Ruststze 5
2 30mm Mk108
1 37mm cannon
1 7.9mm Mg81z
It would be noce to have the proper armorment to put to death your target.