# PGM Podcast Ep 022 - Hydrostatic Shock

Page: https://stenobird.com/podcast/the-pgm-podcast-7062804/pgm-podcast-ep-022-hydrostatic-shock
Text version: https://stenobird.com/podcast/the-pgm-podcast-7062804/pgm-podcast-ep-022-hydrostatic-shock.md
Podcast: [The PGM Podcast](https://stenobird.com/podcast/the-pgm-podcast-7062804)
Published: 2025-05-23T12:57:00+00:00
Episode link: https://progunmillennial.podbean.com/e/pgm-podcast-ep-022-hydrostatic-shock/
Audio file: https://mcdn.podbean.com/mf/web/r3i3qnj4ezyzntz5/PGM_Podcast_Ep_022_-_Hydrostatic_Shock_Public_a0cgb.mp3
Processing state: processed
JSON: https://stenobird.com/v1/public/podcasts/the-pgm-podcast-7062804/episodes/pgm-podcast-ep-022-hydrostatic-shock
Duration seconds: 7040

## Resource

A deep dive into the physics of terminal ballistics and the debate surrounding hydrostatic shock. The hosts analyze the reliability of energy transfer in high-velocity projectiles versus subsonic rounds.

## Highlights
- Main idea: Hydrostatic shock reliability is heavily dependent on the specific foot-pounds of energy delivered by a round
- Practical takeaway: Handgun selection for duty or EDC should be based on specific use-case requirements rather than generic competition standards
- Failure mode: Overloading cartridges, such as pushing .243 Winchester to extreme velocities, risks dangerous case separation
- Technical debate: The discussion weighs the effectiveness of high-velocity shockwaves against the bone-crushing potential of heavy, subsonic projectiles
- Main idea: The distinction between 'competition guns' and 'duty guns' is often a matter of division and specific performance constraints

## Topics

Terminal Ballistics, Hydrostatic Shock, Handgun Selection, Kinetic Energy, Cartridge Loading, Firearms Training, Ballistic Physics

## Chapters
- 1:00 — Handgun Classifications: A debate on whether all handguns can be considered competition guns and how different divisions impact usage.
- 19:00 — Duty vs. Personal Defense: Evaluating the severity of threats and the distinction between duty-use weapons and personal protection.
- 46:00 — Ballistic History and Calibers: Discussing historical hunting calibers and the evolution of modern cartridge performance.
- 1:03:00 — The Physics of Hydrostatic Shock: An analysis of energy delivery, foot-pounds, and the mathematical reliability of shockwaves in tissue.
- 1:12:00 — High-Velocity vs. Subsonic Impact: Comparing the devastating effects of high-velocity projectiles against the kinetic energy of heavy, slow-moving rounds.
- 1:39:00 — Pressure Waves and Cavitation: Examining the mechanics of shockwaves exceeding the diameter of the projectile entering the body.
- 1:48:00 — Squad Tactics and Weaponry: A brief look at infantry squad roles and the use of heavier support weapons.

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## Transcript

Full transcripts are not published on public pages unless there is a clear rights basis.