Almost universally, reports from those who bought the 1-20" .45s back when that fad hit were negative. VERY finicky. Now that does not mean they were all bad. The odds of having a finicky gun are higher though, IMHO.

I think there is a reason they faded so quickly. If they worked well, I imagine we'd have seen it take on and some longer bullets with better BC offered that needed 1;20" to stabilize.