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tomdavis wrote:

The "Duty" is slower because it's heavier, but heavier will penetrate deeply.

What aspect of the load is heavier? The bullets are the same: 115 gn Duty vs. the 115 gn Defense. I would expect that the Defense, going faster, would expand more. Thanks for the insight that the bullets look the same but are different. I would think the higher velocity would be better but understand penetration is important.

The Annoyed Man wrote:

Pawpaw wrote:You might try looking here: https://www.youtube.com/results?search_ ... dy+9mm+gel

The first one on that list helped confirm my decision to use Critical Defense in my P938, which has about the same barrel length as your Shield.

Same guy; Corbon 115 grain +P DPX; Kahr PM9 with 3" barrel (exactly like mine); 13.5"-15" penetration through both bare gel and gel + 4 layers of heavy denim:
[youtube][/youtube]

Don't get me wrong, I like the Critical Defense ammo in my .45 and in my S&W M&P340 .357 magnum. But any time I can get the kind of performance the DPX delivers out of a 3" barreled 9mm, I going to jump on it.