What are the loops on the top and bottom planks used for? It might be good to add some AO or paint some grunge around the area where the metal guard at the front meets the painted wood, at the moment it looks kind of floaty.
Looks good overall. Suggestions for improvements: Add more geo on the outer metal band, a bit too low poly. I/we can see the actual geometry and where each new edge loop begins. Just smooth it out and make it more rounded. The center band metal material and the outer band metal material to me looks like they should be…