Took 2000 rounds to get mine to the point where it would get through an entire magazine without jamming. I wish my double action was 12 pounds, that would be a nice change from the 15ish I have right now. Has to be one of the most poorly engineered pistols I have ever seen. Safety has fallen off several times, barrel screw needs to be tightened every 400 rounds... If you have the time and patience to put up with a jammomatic for the first few thousand rounds, are handy with Loctite and tolerate crappy accuracy, the Mosquito is the pistol for you!
I fed mine Stingers once. First round had a case head separation. Was a real ##### to clear out of the chamber. Don't shoot them. Only shoot CCI Mini-mags.
Save yourself the headaches and get a Buckmark.