I had the same weapon light for my G23 gen4. I was not happy with it. If you get one, just don't take it on and off too much. The sharp aluminum rail edges mess up your Glock rail pretty quick and will eventually cause play in between the light and the Glock which will make the laser useless.
Also, the laser adjustment screws on that light don't work. The adjustment screws are screwed into the plastic laser housing which have no metal threads. I was never able to adjust the laser becasue the plastic threads were messed up out of the box. Wrote an one star review on the website I bought it from and immediately returned it.
I would stay away from it. Spend more money and get a quality light/laser. The Streamlight TLR-2s with strobe is a excellent light/laser and can be bought for about $240 on Amazon, it's well worth the money and won't let you down.
Last edited by Made in Austria; 08-11-2012 at 18:08..