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carlson1 wrote:Hornady Critical Duty 135gr
Federal HST 147gr

I believe that just about any modern day hollow point will get the job done.

for me it pretty much boils down to penetration/over penetration and/or projectile expansion. After all, I can't think of any round that any sane person would say "Gee, getting shot with that wouldn't be so bad"!

anomie wrote:I'd want to see data for claims that a frangible ammo was as effective as JHP before I'd think about carrying it. Were they just statements or did the web sites you're referencing have data? (I'm not directing any of that at you, I'm just curious.)

No data that I found, just statements by whomever was doing the reviews (I don't even remember exactly where I saw them. Midway USA and GunsAmerica maybe? I looked at 5 or 6 places) At any rate, I sure wouldn't stake my life, or the lives of my loved ones, on something that I wasn't 100% sure was better than the tried-and-true defense ammo that I now use (Remington Golden Sabre in my 45 and Hornady Critical Duty in my 9mm).

Interesting that this subject came up today. A Facebook friend has a new business and just sent out an ad for Liberty 9mm +P 50 Grain HP. I had to ask him "50 grain? Is that a typo?"
Did a little more research - this is a lead free frangible round. Muzzle velocity 2000 fps @ 444 ft lbs, with an effective range of 25 meters. The price for a box of 20 was $24.99 so it is competitive with other 9mm personal defense. Some other web sites said that it has the stopping power of other critical defense ammo.
I kind of wonder what possible legal problems would arise from using frangible ammo in a self defense situation.