I have a new set of Crimson Trace Lg-619 laser grips for sale.
Purchased new directly from CT. Installed and carried for about one week, never fired. They still look as new. These are for the G19/23.
Here's a link to them on the CT site:
I would consider a trade for a set of the CT LG-305 Rubber Overmold grips for the S&W J-frame.