I made this model 100% in Blender to showcase it's Texture Painting features. This model is inspired by a model here on Sketchfab. I made this model while teaching Blender's Texture painting features to a group of students. Here is the model I was inspired by: https://sketchfab.com/3d-models/srr-custom-acb02d27977e4daf98aeb21c35c93714 It is made by McCarthy3D: https://sketchfab.com/joshuawatt811 You can buy the original gun model for just $10 on his page.