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That's an interesting response from you regarding my response to a comment by another member about "experts" that I agreed with. However, unlike you, I haven't presumptuously insulted anyone, of...

There are quite a few of those kind of "experts" to be found, for sure.

It's interesting that .380 has apparently become popular as a viable self-defense pistol. Not that many years ago it was rejected as such by experts -- because it lacks in tissue disruption...

Surely, it wouldn't be a detriment whatsoever and it undoubtedly would facilitate understanding; however, college level courses in physics are not a prerequisite for a thorough understanding of the...

MacPherson's book is very well done and provides quite useful analysis of dynamics involved in bullet penetration, without requiring a Ph.D. in physics for complete understanding.

Have you read or applied MacPherson's treatise on bullet penetration? In the likely event that you haven't, his penetration model correlates just fine with bullet expansion and penetration.

Similar type bullets in different calibers, just lighter or heavier, were assumed.


Again, under assumption of similar type bullets as stated previously, we know for nearly certain (nothing is...

Not true. If handgun bullets have similar velocity and similar shape, but different mass -- the heavier bullet will convert more energy into crushing tissue and thus causing a larger permanent...

Actually there is something like 60% more tissue disruption with .45 vs. 9mm. Dr. Fackler, for one, considered this quite significant increase in tissue disruption which increases the probability of...

Street shootings can indeed be awfully misleading; a .22 can be seemingly more effective in the street than a .44 mag JHP if the former hits the aorta and the latter misses it by 1/4". To a casual...

Depends on the barrier; .45 ACP, for example, is not particularly effective in defeating some barriers due to relatively low velocity. With some other barriers, such as AG, .40 and .45 generally...

I have no issue with anyone choosing or rejecting 9mm, or any caliber, on the basis of personal preference, for whatever reason. However, it seems that many 9mm users/fans insist that there is no...

Isn't terminal performance in gel at least somewhat correlated to what happens in tissue?



Did anyone publish any research that shows no terminal advantage of expanded JHPs that have...

Sure, if one misses with all 15/.40 rounds in the magazine and then has no ability to reload -- it's better to have 17/9mm rounds in the magazine and then hope to hit something very vital with the 2...

That's a highly unlikely potential advantage for 9mm, but if having 17/ 9mm rounds instead of 15/ .40 rounds is deemed "compelling" then that's certainly a reason for 9mm preference, even though 15...

Are there any reputable statistics on the issue of caliber and probability of incapacitation?

Hall and Patrick chose "10 mm lite" because it outperformed .45 ACP and showed no significant terminal deficit compared to 10mm.

Precisely. Since hitting the target is paramount, terminal ballistics mean precisely zero if that's not done. Terminally speaking, .40 is very well suited for 4" pistol defense against human...

P229 should also be durable in .40, unlike earlier Berettas, Glocks, etc.

It's not. However, since 9mm is easier to shoot reasonably well for most shooters, the terminal difference for those is minimized in importance.

HK .40 pistols were designed specifically for .40 so they should be durable.

Shooting a hot .40 (155 gr.@ 1250 fps) out of a pistol basically designed for 9mm is certainly not a very good idea. I like terminal ballistics of .40 when it's not watered down and if fired out of...

The legacy of Bill Clinton never seems to end.......

I'll gladly take a whole bunch of those XM40HCs from them if the price is right. :)

It's somewhat surprising that they haven't jumped on the 9mm bandwagon.