I am a BIG fan of the 625-8 JM Special. I also have the 625-6 with 5" barrel.
These are my most shot revolvers (5000-7500 rounds per year). Many on here have seen me state this before

>)).
I have, at one time or another, bought most of the moon clip tools. As the other poster has stated, the two tools that work well are the "Deluxe Moon Clip Tool" which will both "moon" and "demoon" the clips. However, like the other poster, I prefer the "nutdriver" type of demoon tool (mine comes from Brownell's). The hands down best moon and remoon tool is the BMT
Mooner/demooner. The price is, ahem, HIGH! However, if I had seen this one first, total is only about $20.00 higher than the two tools I have suggested (along with the original poster) but it is the slickest method yet.
BMT Equipped, Inc.
At any rate, I'll share the picture of my 625-8:
You will note that I have replaced the grips with Pachmayr grippers (my preference of all the grips I have tried - I have rather large hands but the base of my thumb cannot handle any hard grip and the soft grips are mandatory for me). I went to Red Dot sights when I lost most of the vision in my right eye. I now have to shoot (right handed) with my left eye. However, you don't need to feel sorry for me. After two range sessions using my left eye I was "up to speed" and was shooting at my old level with a smile on my face:
Twenty five yards, standing. Admittedly, this is one of my "best ever" targets but I did shoot a 99x100 Friday on a 40 degree day

>)). That was on the timed fire target (not the smaller slow fire target). I typically average in the low nineties slowfire with my best a 97x100 last year. Not bad for a "soon to be 78 years of age, huh?"

>)).
Some of my best targets have been shot with my 625's.
I often use .45 Auto Rim cases (Starline direct) for range use and when using heavy bullet loads (to keep them out of my 1911's) but I have so many .45 ACP cases that I can have a couple thousand loaded ahead so I am ready for the range at the drop of a hat.
My most used bullet is home cast using a Mihec (MP Molds) mold for his version of the H&G #68 (a near perfect copy). This 200 gr SWC is arguably the best bullet for both target loads and IPSC loads. It's reputation for reliable feeding and accuracy is legendary.
These days I mostly shoot light, target loads (4.0 grs of Bullseye or equivalent - currently using 4.0 grs of Titegroup). These loads shoot extremely well from my revolvers.
The above sounds suspiciously like I am blowing my own horn. However, what I am trying to do is encourage those new owners of a 625 to show what can be done by an "over the hill speciman"

>)).
Shoot center!
Dale53