Undead At World Wars gun system uses viewport frames, and I don’t get why people hate on the viewports for viewmodel’s.
Sure it might lower performance on old or low end devices, other than that it works and looks almost identical to a normal viewmodel from the camera. Lighting all that is fine the quality is reasonable, for the materials though, it’s not looking good but it’s still an easy fix using textures or client decals or mesh textureID for meshes.
The only reasonable thing that I hate about viewport viewmodel’s is that, Roblox doesn’t care about it’s performance for the player.