The rifle, pistol, and knife models were generously donated by Vilaskis Shalashev (https://twitter.com/battlekot5) and may be used in your projects.

The crowbar model was donated by Gear Worx Production and may also be used in your projects. Check out Gear Worx Productions' full weapon pack at : https://assetstore.unity.com/packages/3d/props/weapons/melee-weapon-collection-v1-58262