Here the textured MP5. Rendered using the power of Blender Cycles. Compositor Node settings can differ from preview images, but have potential to get same result. Original render settings; Resolution 3840x2160px, 2048 Samples
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HDRI Image: https://hdrihaven.com/hdri/c=studio&h=studio_small_03
smoke effect(GIMP): https://www.deviantart.com/xresch/art/22-Normal-Smoke-Brushes-197982419
Update 1.March,2020 - Color Balance Node