"Hav you ever have a look at Corbons DPX bullets?"
Yes. My single biggest problem with all-copper bullets such as the Corbon DPX line is the fact that the copper petals fold back far too easily and inhibit fill mushrooming. This is spliting hairs, sure, but the point of using hollow-points is to make the widest hole possible. Every last DPX round I've shot into water or newspaper media has expanded far less than either Ranger T, Federal HST, or PMC Starfire, and the pictures provided by Corbon are NOT representative of the rounds I've seen.
A Starfire or HST in 40 caliber will open up to .8 to .9 inches, and I've yet to see a DPX of the same caliber, in the same test media, mushroom beyond .65 or thereabouts. It HAS been postulated that perhaps the all-coppers DO open quite well then sort of scrunch back their petals at the end path of their terminal ballistics, but I'll believe that when I see it for myself.
Still and all, you are pretty much guaranteed expansion, and for the not-so-big crowd there's nothing wrong with these cartridges. Some end users, 9 mm aficionado's mostly, think .65 is just swell as hell. They cost more than twice as much as other brand names, but it's your money.
PS: Bear in mind, and this is something that thoroughly fries my clams, that the net is chockerblock with Corbon distributors posing as gun writers, who for some strange reason prefer the DPX line to all other brands of ammunition. If they operate glitch-free in your firearm who cares, but remember that most folks traveling along with us in cyberspace want your money more than they want to impart important information.
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