Here is a review on the P-12. http://thektog.org/grendel.htm
You maybe better served by Smith& Wesson's M&P 380.
http://www.thesurvivalistblog.net/smith-wesson-bodyguard-380-semi-auto-pistol/
Hope this is of some help.
I have a Gen II Keltec P3AT. Been carrying it in the pocket for three years now. Take it out on occasion, blow the pocket lint off of it, and run a mag through it. Runs like a top Laser on it is nice too.