This looks great. Do you have an ambient occlusion map? It's looking a bit overlit I think, especially evident in the cavities between the bands of the handle wrap... should be some specular occlusion in there.
It would also help to use some glancing angles for the lighting, show off the metal work. Right now it's front-lit, like the reference, which makes it a bit boring to look at.
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It would also help to use some glancing angles for the lighting, show off the metal work. Right now it's front-lit, like the reference, which makes it a bit boring to look at.