I own quite a few in 10, 9 and 45. My 10 has a 6” Jarvis barrel which adds an easy 125fps or more over the factory barrel.
See our Home Brew section in the 10MM Forums for more details.
As stated above, they pretty much go bang every time with the usual challenges with the grip angle. So far I have resisted the urge to get a Glock 40.
I love revolvers and I have always been a 41 Mag guy. A 1965 4” Model 58 is what I pack these days in a DeSantis speed scabbard. I also live and work in remote areas.