I've had a 6", 10-shot 617 for about a year now. I absolutely love it! I've been using .22 handguns for squirrel hunting for something like 25 years and this is the sweetest of the bunch I've owned! (Primarily Ruger Single Six's and Ruger Mark II's.)
Here's a link to a post I did here on the way I've set mine up.....
Buy & Enjoy!!