The crown is quite useful for straightening- much much better than a dip.
Given it’s not hardened then draw file it to a tolerance you’re happy with.
Being a big section, that may well have moved post machining as tensions are released. Plus, given the cost of postage I can see why they wouldn’t jump at the chance to replace
Next time I’d ask about tolerance and photos beforehand, what you have is serviceable and tuneable to your specs
Given it’s not hardened then draw file it to a tolerance you’re happy with.
Being a big section, that may well have moved post machining as tensions are released. Plus, given the cost of postage I can see why they wouldn’t jump at the chance to replace
Next time I’d ask about tolerance and photos beforehand, what you have is serviceable and tuneable to your specs
