I'm noticing seams with your wooden handle. For texturing, you're missing dirt in crevices as well as on the overall model and there is currently no edge or surface wear. These subtle things are what give it the realistic part. Try lighting your model in a 3 point lighting scenario, lighting goes a long way to present your…
This one is probably way too late to adjust, but is something to keep in mind for the next models. You seem to waste a lot of poly's / tri's. The marked red edges look unnecessary to me. They might be very slight bevels, but don't really adjust the geometry, they're something the normalmap should fix. Also, by just…