I've had this kit for many years and would like to build it with some aftermarket parts but I have no idea where to start looking so I'm here asking for help.
Does anyone know of sources for PE, Resin and individual track links for this thing and any reference books on this specific vehicle? I know about the Zaloga book and have a source for the turned barrel... and I don't need decals.

Also, are there any "issues" with the kit or aftermarket parts that I should know about? I'm not a rivet counter looking to take best-of-show, just would like a nice finished model.
Any guidance/advice/suggestions are greatly appreciated.
Thank you