Call to Battle is a mod featuring a lot of firearms from factions of the Second World War. This map is made to train you as a player of the official server of the mod to shoot and aim properly by practice.

The map contains :

• Different sub-maps such as a village, snowy fields or shelter
  
• Switchable Zombie mode for these sub-maps
  
• Basical shooting ranges
  

Of course, it needs the Call to Battle 2 mod to work (all credit of the mod goes to Beardielover) :
https://www.planetminecraft.com/mod/call-to-battle-the-wwii-mod1710/

The map is regularly updated with new content, and includes the new items and features of Call to Battle each time it is updated on its side.