great piece but the back extended out too far. the term compact laser in the title is decieving. it will fit a full size rail. lucky for me i had a handgun scope rail i connected it to so its a good low cost alternative if your looking for a sub $100 green laser. i havent taken it to the range so i dont know how well it will hold zero.
Pros: affordable, all metal contruction, nice bright laser, good range.
Cons: didnt fit my compact sr9c and most likly wont fit yours.
                    
This review was written in the old system and had content requirements that are different than reviews written today.