Early variants had a short, 23-caliber barrel. Later versions, including the M109A6 Paladin, have a 39-caliber barrel. The M109 has a crew of six: commander, gunner, driver and three ammunition ...

The Paladin, for example, is one of the game's best Tanks that can dish out melee attacks and cast spells on the enemy while also protecting their teammates. Here's everything you need to know to ...