I have installed three.
You will have to cut out some space in the front of the trigger guard to clear the Jewell trigger housing, and a little space in the back of the guard to clear the trigger itself.
IT is easy - I used a Dremel tool and did it a bit at a time, until it cleared.
They work great!!
Spring has sprung, da' creek has riz, I wonder where dem kitties is? Here, kitty kitty kitty.
LRH member #23