My .45 BE seems to be behaving better. Last time I took it to the range, I put 2 more 50-rd boxes of Remington FMJ RN through it. Halfway through my first magazine it stovepiped a live round (possibly a result of limp-wristing?), but after that I had no problems and didn't see any more failures to feed all the way like before.
It seems like it's just getting broken in. When I have fired a few hundred more rounds without any issues, I'll feel comfortable using this gun for defense. I also picked up some Golden Sabers, on the advice of the local gun store. Like Ji Long, I cycled them through with no problems, but I still want to make sure they will feed properly when firing.