The 457" in good condition are going for around $400 give or take in fact I bought another one yesterday with three extra mags for right at $400
GunBroker.com
50-500 usd
Ask a gunsmith for help.
Ask a gunsmith for help
Recommend you ask a gunsmith for assisatance.
CHeck with the maker of the grip.
50-500 usd
50- 500 usd
No
I just called smith & wesson and checked on mine they said in new condition it's worth $1,000 there were only about 90 something made
1996 - present
Follow instructions in the owner's manual. If you don't have one, you can get one for free at Smith and Wesson's website.