Of course, we don't find anything specifically about guns in the Bible; they weren't invented until the 14th century A.D. Common weapons in biblical times were various types of knives, axes, spears — and especially the sword. (religion-online.org)
Moreover they can use common weapons like Catapult, ballista and fire arrows during the game. (andyemulator.com)
Just like the famous assault rifle, the Japanese pickup is a very common weapon of guerilla warfare. (drivemag.com)