Stylized cannon Low-poly 3D model

I got it , found a small error with one wood table on the side of the cannon it was showing like if its material is onesided (you can see it if you select all the parts and then put them in the viewport) easily fixed i just duplicated the one at the other side to replace it, also for the material i was not sure where to attach the node for the texture oclussion roughness metalic (RGB channel for each i assumed), it would be cool if you provide a screenshot of the material editor

hello, i just got your model, what options should i use when importing in UE4? when imported as fbx it only has one material but its blank or imported the obj an it has lot of materials all white

Hello, when you import the model into the UE4, (I recommend use FBX) uncheck the create material, because it would be blank, and import the textures separately, then create the material and add textures to it, about the RGB channels everything is right, each channel is packed with its own texture, (R oclussion), (G roughness), (B metalic).