The M30 Luftwaffe Drilling shotgun in Call of Duty: WW2 is a double barrel shotgun. It has good range and high damage output. Since you have to reload between shooting every second shell you have to be careful about the size of group of enemies that you take on. It will also be important to get close to enemies by maneuvering the map smartly as you have no chance at anything other than close range. The best attachments for the M30 Luftwaffe Drilling are those that extend its range further making sure that you secure the kill. The steady aim attachment reduces the spread of the pellets making it easier to kill enemies from further away. The advanced rifling attachment reduces the damage fall of of the M30 Luftwaffe Drilling shotgun. The best division for the M30 Luftwaffe Drilling is expeditionary as it grants the incendiary ammo which also helps to secure kills at the edge of your range. The best basic training is hustle as you will be reloading frequently. Choose your favorite secondary in case you run out of ammo and use the mk 2 fragmentation grenade to attack objectives. Use the smoke grenade to screen your movement through open areas to get close to enemies.
Here is the complete best class setup for the M30 Luftwaffe Drilling..
As found on Youtube