The only ammo my LCP had (minor) issues with was Fed HShok. One or two FTF, but to be fair I had not really broken it all the way in yet.
Hornady's Critical Defense fed and fired like a champ today, nice ammo. this is also the first time I've fired the LCP with my new Pearce and Ruger extensions and the CT laser. The finger extension made a huge difference, and quite frankly the Pearce extension was superior to the Ruger w/ respect to control - it's just a little bigger.
The laser, eh. Apparently the laser's point of aim has moved up and right from when I first installed it. Maybe something to do with removing and replacing it for the recall. I'll have to recheck the install and adjust it when I have time. No matter, I still shoot with the sights despite the little shiny dot.
For those interested, here's a link for discounted LCP accessories, including the laser for $159 (msrp is $209) and the Pearce extensions, 2 for $13. You must sign up for the forum to receive the discounted prices, no big deal. Link for the forum is on the shop page near the top.
http://www.elsiepeaforum.com/store.htm