If you want a cheap laser. - Hawk Gazer LG-9 Green Laser Sights

To begin with, the box was not sealed and you could see the marks where someone had previously installed this. It functions fine, but if I had known it was a returned item (I dont know that for a fact, I just know you could see marks where it was previously installed, and the bix was not sealed at all.) I probably wouldn't have purchased it. However, as far as fit and function and price goes, I would recommend it.