The springs on both are the weak part, and were 'always' prone to breaking.
Had they licked that metallurgy, the revolver would have enjoyed a wider popularity.
Today, not only is the making/finding of springs more trouble than it's worth, but finding guys who understand the workings of Double-Action revolvers is getting harder and harder to do, as the older, 'true' gunsmiths retire, and their ranks are left empty.
Scouts Out!