How do I customize weapons?

In order to customize weapons, you need to build the gunsmith bench. If you started the game recently, then this table will need to be built...

Where do I find resources for weapon modification?

Adhesive appears frequently, springs are former weapon parts, carbon composite and factory parts can be obtained from disassembled fire weap...

I can't learn a blueprint for modification in my inventory. Why?

If you have selected a modification blueprint, but the button is inactive, it is most likely that you have already learnt this modification ...

Why do I need to customize my weapons?

Mods give various extra perks. Weapon modules can increase damage, attack speed, strength, size and critical damage chance, firearm noise, c...

Will the mods disappear if I break or lose the weapon?

All your mods obtained earlier are here to stay even in case of breakdown or losing your weapon after death. Once you get a new weapon, you ...

Can I assemble the mod of the weapon that I found?

You can assemble only learned and crafted weapon mods. Yes, they are removable, however reactivation of those is impossible. 

What is gun oil for?

Gun oil is one of the components used for weapon modification. It can be found while completing the hard mode of the Alfa Bunker.