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Related Experiment Videos

Expanding handgun bullets

J C Padrta1, J E Barone, D M Reed

  • 1Department of Surgery, The Stamford Hospital, Connecticut 06904-9317, USA.

The Journal of Trauma
|October 6, 1997
PubMed
Summary
This summary is machine-generated.

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Expanding handgun bullets create larger, shallower wounds than full metal jacketed bullets. Understanding bullet performance aids trauma surgeons in treating gunshot victims effectively.

Area of Science:

  • Ballistics
  • Forensic Science
  • Trauma Surgery

Background:

  • Novel expanding and fragmenting handgun ammunition designs are emerging.
  • Understanding these bullet types is crucial for effective patient management and wound care.

Purpose of the Study:

  • To evaluate the performance characteristics of various expanding/fragmenting .45 caliber handgun bullets.
  • To compare their wound ballistics with a standard full metal jacketed bullet.

Main Methods:

  • Eleven expanding/fragmenting bullets and one full metal jacketed bullet were fired into water and ordnance gelatin.
  • Muzzle velocities were recorded, and bullets were analyzed post-firing.
  • Bullet performance, expansion, and penetration depth were systematically observed.

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Main Results:

  • Expanding bullets reliably increased their diameter by 1.49 to 1.89 times.
  • Full metal jacketed bullets exhibited twice the penetration depth compared to deforming bullets.
  • Jacket separation was observed in some expanding bullets when fired into water.

Conclusions:

  • Expanding/fragmenting bullets result in larger, shallower wounds compared to full metal jacketed bullets.
  • Recognizing bullet characteristics aids trauma surgeons in treating gunshot injuries.
  • Ordnance gelatin is recommended over water for accurate bullet performance evaluation due to jacket separation issues.