I would see about getting an aftermarket extractor for it. Taurus in not known for their excellent customer service. Trust me, I went through hell to get a mod85 fixed.
You might still have to. The key I have found is to let it soak over night and "lightly" work it with fine steel wool for a very short period of time. Wipe it off and repeat.
The key is to just take off what the oil has broken down and to not force it into coming off.
I have built them and I have bought them. I can tell you that the resale seems to be better on a factory built gun. If you are trying to build one on a budget I say build it. You can usually build one, if you do some shopping, that is nice for a reasonable price. Now if you have the money I...
Ah, I was hoping that was going to be an SBR but thought that was a long shot! I can't wait to see the finished product
I take it you are still waiting on paperwork.