Springmom,
Get the model Crimson Trace Lasergrip model LG-405 for your J frame. Once you have it you'll never look back!
I got mine here for $229:
http://www.oneclickshooting.com/default.asp
Crimson Trace Laser Grip LG405 Smith & Wesson J Frame
LG-405 Rubber Overmold SMALLER THAN THE LG305!!! Front-Activation button Rubber Overmold construction Fully adjustable windage and elevation Master On/Off switch Three-year warranty Innovative recoil reduction pocket on top of backstrap.
Fits Models: Airlight, Airweight, Bodyguard, Chiefs Special, Centennial, Ladysmith, models 36, 37, 38, 49, 60, 63, 317, 331, 332, 337, 340, 342, 351, 360, 442, 637, 638, 640, 642, 649, 651 and 940.
Technical Specifications: Beam Intensity - 5mw peak, 633nm, class IIIa laser. Maximum output that federal law and technology allow. Dot Size - Approximately 0.5" diameter at 50 feet. Power Source - Two #2032 lithium batteries (included); over four hours of on-time use and a five year shelf life.
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