I'm going off memory with this , someone with fresher knowledge will chime in..
I had a 45 Schofield Spencer about 2002 as I recall ( well before the 56/50 45 Colt & 44/40 chambered model's )
It had a double blade extractor, the trick then was to remove the right one, use just the left ...
also there was plug to limit the magazine capacity @ 5 IIRC , I don't recall. I think it would hold 8
45 Schofield removed
I also had an original and the two followers were completely different , I never like the silly plastic stick like Chappa OEM follower