Not all weapons in Dying Light are alike. Weapons are categorized according to their quality/rarity. A rare weapon will always have better stats (damage, durability, handling, upgrades ...

Techland announced Dying Light: The Beast for 2025 ... support for community maps, and new weapons (including a new weapon class). The roadmap doesn't specify when these updates will be launched ...

the weapon selection in Dying Light 2 is quite limited. To unlock most, players must complete specific quests, or gain access to certain map zones. Some require the player to craft them.