Mike Irwin,
1) I went to
http://www.povn.com/~4n6/Trnsmgfd.htm as you recommended. It starts by saying:
“This site is one of the transmogrified. It seems to perpetuate the inaccurate lies and myths regarding wound ballistics. This note is to alert you that there is misinformation at this site. “
With this intro, what can you believe on the site?
2) You stated on velocity:
“Velocity is NOT the sole factor in a bullet's expansion!”
I agree but since there are no explosives in the bullet, it is the velocity which is the actuator of any tendency to expand. The lower the velocity, the lower the “potential” for expansion.
3) You stated on over-penetration:
“As for the risk of overpenetration, that is a smokescreen PURE AND SIMPLE. Within the past 5 years, please give me 5 referenced examples of someone shooting THROUGH their intended target and hitting an innocent on the other side.
Guess what, you'll have problems coming up with a SINGLE credible instance of that happening in any 5-year period.”
American Handgunner, NOV/DEC 1998 Page 16 “NYPD GOES ISP”
... The round selected was the Remington 115 gr +P+ at 1300 fps.
...The department studied the performance of the older ammo with growing alarm.
... Six bystanders in one two year period were hit by subsonic 147 gr JHPs fired by transit officers ... that had gone through an object first.
... The 115 gr 9mm +P+ is the cartridge the Illinois State Police made famous. It is probably the most devastating manstopper in its caliber. Secret Service uses the exact same Remington +P+ that NYPD adopted. They are sure the city’s concern that
overpenetration of bullets be minimized while stopping power is maximized.
Also reference Gun Tests AUG 96 Performance Test: 9mm Handgun Ammunition.
Fired rounds into fabric covered gelatin. They rated the Winchester Supreme 147 gr SXT as being unsatisfactory because its low velocity did not cause bullet expansion and the low power. They rated the Corbon 115gr 1350 fps as the best,
making a wound like a 44 magnum.
4) HIGH PENETRATION IS DESIRABLE?
It is hard for me to accept that a slower, less powerful 9mm bullet is more effective than a faster more powerful bullet of the same caliber. I am afraid some people equate a heavier bullet to higher power and that is a mistake with 147 gr in 9x19.
I suspect, these people try to justify lower expanding and lower power heavy bullets by claiming one needs 1 to 2 feet of penetration. If penetration is so important, in 9x19, why not use a more powerful 115 gr bullet designed to expand less (like a low expanding 147 gr bullet) so you:
a) have more power than 147 gr
b) have more shock than 147 gr
c) have expansion equal to 147 gr
d) have greater penetration than 147 gr
5) You stated on expansion:
“I can't even conceive as to why you'd think that results that show expansion to half an inch combined with good penetration fails to make the point.”
My point was the article at
http://www.firearmstactical.com/briefs9.htm failed to compare
tests on the heavy, slower bullets with faster & more powerful 115 gr ammo. WHY?
Gelatin tests are easy to rig. Showing ONLY the test data on slow, low power bullets and claiming these were very effective rounds must make anyone skeptical of this report. One needs comparative data to select the best ammo. If the heavier
bullets were best why didn’t they show the test data on the other ammo???
It read like many reports I have seen on the 230 gr 45 ACP. “If won’t penetrate 2 or 3, people the round is not effective!!!”
Please point me to a test comparing 115 gr Corbon 9x19 ammo to 147 gr ammo in 9x19.
Regards,
George
In sunny Arizona
P.S. The Corbon 115gr ammo I tested has nearly zero flash at night. It is quite remarkable. How is your self defense ammo for flash?