The rife is one of two weapon choices for the Explorer Class. Though there is a disadvantage of only having a single gun- compared to the dual guns- the rifle deals greater damage in a single shot.
Rifle upgrades are available at the following Land Levels:
- Vintage Arquebus (Level 5)
- Battle Rifle (Level 9)
- Oaken Arquebus (Level 17)
When a player reaches level 40, they have a choice between two sub-classes of the Explorer class, Sniper or Excavator. If the Rifle is your weapon of choice, then the Sniper is the right class for you, since it specializes in Rifles/Shotguns.