Rich, the 45-70 isn't prone to the brass sticking and you can convert an ejector to an extractor real easy, it just won't be a mechanical extractor, but it works fine. I converted my 45-120 BC to an extractor so the $2 brass isn't thrown into the next county. For hunting, I would prefer an ejector if I had a choice. A selectable ejector/extractor would be the cat's meow!!!! :-D In answer to your question, you can request an extractor, but you'd have to wait for them to build the barrel that way, rather than just them taking a premade barrel from their inventory, the wait may be much longer.