This mod adds customizable weapons to Minecraft. You can customize parts.
The weapon workbench should be crafted first. It lets you make modification to your weapons.
Then you will have to craft a weapon base, for example a rifle.
Place the rifle in the weapon workbench (You can rotate the weapon in the menu ! Just drag the preview)
Add different parts. (barrel is needed for weapons to shoot, with ammo in the inventory)
Left click to shoot, Right click to zoom
Rifle: A basic weapon base
Multi barrel gun: Switches between the barrels
Barrel: Medium range, damage and rate
Gunner Barrel: high rate, low damage and low range
Sniper Barrel: high damage and range, low rate
Scope: Lets you zoom with left click
Ammo: 32 shots
Large Ammo: 256 shots
Incendiary Ammo: Sets block in fire, 32 shots