Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download WA: Assault Rifle Free.
WA Assault Rifle v1.03
High-quality Assault rifle. It’s a little part of our big project WORLD ARMY .
Separated into 5 parts for customization. (main/butt/EoTech/flasligh/IN_illuminator)
High resolution textures (Diffuse/Specular/Normal) made specifically for marmoset render. But also look great with a standard renderer with my custom SpecularReflexive Shader.
Contains 3 LOD. 9k for FPS Screen, 3k for medium and 1k for a long distance.
Version 1.03 Changes:
1. Added Fire Effects. Two different effects – Single shot and automatic fire (with simple shooting script for demo)
2. Added some tectures for EO tech.
3. Some texture fixes.
4. Added Shoot sound.