Primary & Secondary Article Library
Explore the Primary & Secondary Article Library: practical writing on firearms, defensive training, law enforcement, equipment, tactics, mindset, and the people who contribute to the professional training community. Articles are organized to help readers find durable information, professional perspectives, and useful resources by subject.
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What to Look for in Ballistic Gel Tests
Useful ballistic-gel testing focuses on penetration, projectile condition, documented protocols, and repeatable results—not dramatic slow-motion effects.
Read article5.7×28: Useful Cartridge, Not a Wonder Round
The 5.7×28 cartridge offers low recoil, capacity, and accessibility advantages, but pistol performance should be judged by evidence rather than P90 mythology.
Read articleUnderstanding Bird Shot Is Not For Defense
Comparing the FBI ballistic standards and the idea of birdshot being an effective defensive tool shows the profound ignorance of people pushing for the birdshot. The FBI standards…
Read articleP&S ModCast 438 — YouTube Ballistics: Misinformation or Ads
P&S ModCast 438 examines ballistic misinformation and advertising presented as education on YouTube and similar platforms. Mark Fricke, Chuck Haggard, Steve Shields, and Matt Landfair discuss how viewers…
Read articleP&S ModCast 400 — The Return of DocGKR
P&S ModCast 400 reunites Dr. Gary Roberts, Chuck Haggard, Fred Lucas, and Matt Landfair for a long-form discussion of pistol terminal ballistics.
Read articleA Missing Terminal Ballistic Frame of Reference
There is an interesting pattern with people who are looking for the best possible defensive pistol ammo and yet are drawn to questionable unproven solutions that feature misleading…
Read articleP&S ModCast 308 — Pistol Bullet Performance
Dr. Andrew D. Fisher, Mark Fricke, Chuck Haggard, Dr. Sherman House, and Matt Landfair discuss pistol-bullet wounding and performance.
Read articleDuty Caliber Pistol Performance
When I was young and eager to learn everything gun related, I had believed defensive pistol ammo had to be some form of hollow point to be effective.…
Read articleP&S ModCast 292 — The Applicability of Small-Caliber Pistols
P&S ModCast 292 examines the applicability of small-caliber pistols with an experienced panel, practical context, equipment considerations, and training implications.
Read articleA Simple Explaination of Duty Pistol Caliber Terminal Ballistics
Optimal pistol wounding is caused by a balance of projectile weight, construction, size, materials, shape, and velocity (not even talking about shot placement here). Too much or too…
Read articleP&S ModCast 125 — Terminal Ballistics
An evidence-based discussion of terminal ballistics, FBI-style ammunition testing, penetration, barriers, projectile design, service calibers, and duty-ammunition selection.
Read articleFackler Discusses Shots To The Pelvic Area
“I welcome the chance to refute the belief that the pelvic area is a reasonable target during a gunfight. I can find no evidence or valid rationale for…
Read articleBasic Wound Ballistic Terminal Performance Facts
By: Dr. Gary K. Roberts 8/23/11 Psychological and Physiological Incapacitation The last 30 years of modern wound ballistic research has demonstrated yet again what historical reports have always…
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