Quote Originally Posted by Korium View Post
I have one. It had a poor internal finish in the hand slot which needed smoothing out, but it’s been 100% reliable since then. Don’t buy new - I paid like 1/3rd the new price for a boxed, lightly used example.

Remington #10 are by far the best fitting caps for it. Mine will also not ignite reliably with substitutes, but it ignites every shot with black powder.
Had the same experience with my ROA (mostly hangfires). A heavier charge of Pyrodex than the straight BP equivalent load worked for me.