From eJahan Official Wiki

The weapons use in wars. They will be disappeared when the get fired, one shot, one gun. when you click Fire button in battle page, a pop-up window appears then can select which kind of weapon do you want to use.

• Note If you have different quality weapons firstly best quality weapon will be used

V1.7

there were only five kinds of weapon in V1.7 table 1 lists those weapons and their power.

Weapon	Weapon Multiplier
Bare Hand	0.5
1-Star Weapon	1.3
2-Star Weapon	1.6
3-Star Weapon	1.9
4-Star Weapon	2.2
5-Star Weapon	2.5

Table 1

V2.0

V2.0 came and brought many new features into eJahan world, one of them was adding and modifying weapon types. the table 2 lists V2.0 weapons.

Weapon	Weapon Multiplier
Bare Hand	0.5
1-Star Handgun	1.2
2-Star Handgun and 1-Star Grenade	1.4
3-Star Handgun	1.6
4-star Handgun, 2-Star Grenade and 1_star RPG	1.8
5-Star Handgun	2
3-Star Grenade	2.2
4-Star Grenade and 2-Star RPG	2.6
5-Star Grenade	3
3-Star RPG	3.4
4-Star RPG	4.2
5-Star RPG	5

Table 2