Features:
-The textures of gun have a resolution of 4K or 2K with nice details.
-The textures of bullet have a resolution of 1K.
-All the PBR materials have color, normal, reflective and ambient occlusion maps.
-The Gun has 3826 polygons and 3558 vertices and the bullet has 576 polygons and 546 vertices.
-All rotatable parts, such as trigger and hummer, are independent meshes.