I purchased one for my SW MP 15-22. It fit the picatinny rails perfectly. Sighting in took maybe 30 seconds. Very sturdy. Very nice looking. Visibility is excellent. I will probably be using it for 25 to 50 yard target practicing. It came with a pressure switch but I won't be using it because I just don't need that for a 22lr plinking gun. If you need a nice laser for your 22lr, this would be a definite choice. It is too long for pistols. I did not put this on a high power rifle but if you wanted it should work fine there too.
Pros: Durability, look, feel, quality, construction
This review was written in the old system and had content requirements that are different than reviews written today.