The only commercially available, pistol-mounted green laser I know of, is the Uni-Max by LaserMax. At $359.99, it's
$210.00 more than the red-beam model at MidwayUSA:
http://www.midwayusa.com/esearch.exe/search
Note: Right now, LaserMax is offering a $25.00 rebate to all NRA members...
As for green lasers, here's what I've learned...
Today's semiconductor diode green lasers are created by amping up an infrared laser diode to the visible green spectrum of light. This takes a larger laser module and a lot more power than a red diode laser does. Battery life on the green machines is about one half that of a comparable red-beam unit.
So far, the modules are too large, and hot running, to accommodate an internal guide rod set up. But exterior mounts like the Uni-Max and eventually
grips, are doable.
While ordinary red lasers are minimally useful in daylight, the green laser can be seen! The inverse is that the green laser describes a visible line right back to the shooter, when used at night.
If you saw the movie,
Alien Vs. Predator, you saw the green laser equipped assault rifles of the team, conveniently designate their locations for the bad guys at all times. Doh! :banghead:
Red or green, the Uni-Max is a slick design, with an integral rail molded into its bottom, so you can stack on a weapon light, or another laser, for that matter! Reviews on this laser have been pretty good!
With the NRA rebate, you can now get a quality laser for $124.99!
We have the guide rod LaserMax on our G19 and G21, and are well pleased with them!
--Ray