Extract the files into corresponding directories. Make backups first.

copy shell_table.lua into; ...Eagle Dynamics\DCS A-10C\Config\Weapons
copy sensors.lua     into; ...Eagle Dynamics\DCS A-10C\Scripts\Database\scripts



Changes made inside sensors.lua: made all deviation error values for automatic guns = 0
                shell table.lua: changed deviation_angle = 0.0


Enjoy