Links to some of the best reading on the web. If you have some free time, check them out this weekend. Western Psychiatric: Stopping An Active Shooter If you are interested in active shooter situations, you’ll want to check out this Ballistic Radio podcast. In it. John Johnston interviews a police officer who […]
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Search results for "gelatin testing"
Weekend Knowledge Dump- October 3, 2014
Here are a few links to articles and videos I found interesting this week. Some are intellectual. Some are informative. Some are just fun. If you have some free time, check them out this weekend. Lightning Review: Rogers’ Tap Rack Training Aid This might be a useful piece of gear to pick up if you […]
Is the .380 ACP an Adequate Caliber for Defensive Use?
Written by: Greg Ellifritz I received this question (edited for brevity) from a police firearms instructor last week: “A lot of my guys on the department are going with .380 pocket guns for off duty carry instead of carrying their issued Glock 26 9mm pistols. Our policy will not allow officers […]
Weekend Knowledge Dump- September 7th, 2012
Here are a few links to articles and videos I found interesting this week and want to share. Some are intellectual. Some are informative. Some are just fun. If you have some free time, check them out this weekend. Handgun Stopping Power: Sizing Up Your Options Valuable details about gelatin testing […]
Media
Books and Book Features Choose Adventure: Safe Travel in Dangerous Places by Greg Ellifritz. 2020. Wrote Amazon #1 Best Selling travel safety book. Who, What, Where, When, How and Why – : Winning and-or Surviving The Argument through the Ambush by Hock Hochheim. 2025. The author recommends my book and […]
Weekend Knowledge Dump- September 26, 2025
Knowledge to make your life better. If you have some free time, check out some of these links this weekend. Franklin Armory KILLS the NFA SBR Rule with Antithesis The big news in the gun industry this week is how Franklin Armory beat the ATF by using their own word games against them. I’m […]
Weekend Knowledge Dump- January 24, 2025
Knowledge to make your life better. If you have some free time, check out some of these links this weekend. Shoot While Moving vs. Move Then Shoot The longer I stay in this game, the more I’m in favor of either moving or shooting…not doing both at the same time. Red Zone […]
Should You Change Your Defensive Ammunition During Colder Weather?
Written by: Greg Ellifritz I occasionally get questions from readers about changing their defensive ammo to better defeat heavier winter clothing in the colder months. People who consider an ammo change generally do it for one of two possible reasons. The most common is that the person misunderstands wound ballistics. He wants […]
Weekend Knowledge Dump- June 23, 2023
Knowledge to make your life better. If you have some free time, check out some of these links this weekend. Hierarchy of Combative Firearms Training My friend Dave Spaulding dropping some firearms training knowledge bombs. “Over time, I’ve come to look at firearms training as a three-tiered pyramid I call the Hierarchy of Combative […]
Weekend Knowledge Dump- June 16, 2023
Knowledge to make your life better. If you have some free time, check out some of these links this weekend. Knowledge bombs from “Training At The Speed Of Life” Instructor Training With Ken Murray I took the training class Mike references here almost 20 years ago. It’s life altering if you teach force on […]
Weekend Knowledge Dump- April 7, 2023
Knowledge to make your life better. If you have some free time, check out some of these links this weekend. Are We There Yet? Quality information and analysis from Paul Martin. You should buy his book. Best knife sheath for EDC ever! Craig gave me one of his El Nino push […]
Weekend Knowledge Dump- March 31, 2023
Knowledge to make your life better. If you have some free time, check out some of these links this weekend. Training Red Flags: What to Look Out for When Choosing Instructors Fewer than 1% of gun owners seek professional training beyond a CCW class. My readers might be the exception. Keep an eye out […]
Weekend Knowledge Dump- October 28, 2022
Knowledge to make your life better. If you have some free time, check out some of these links this weekend. Five Reasons You Should Carry A Fixed Blade: Are Folders Really Cooler? Proponents of using the knife for self defense will tell you that fixed blade knives are demonstrably better for the task than […]
Weekend Knowledge Dump- January 14, 2022
Knowledge to make your life better. If you have some free time, check out some of these links this weekend. Best Pistol Red Dot Sights Caleb provides a detailed comparison of the most popular red dots on the market. AR 15 Sling: Two Point, Single Point Sling, or Pointless? Analyzing different rifle […]
The 500th Weekend Knowledge Dump
Before we get started with this week’s batch of links, I want to note that this is the 500th edition of the Weekend Knowledge Dump! Since I started the project, you’ve received the Weekend Knowledge Dump every week without a single exception for almost 10 years. Think about it. How many other tactical blogs do […]
Stop Worrying About Overpenetration
Written by: Greg Ellifritz I’ve written in the past about some ballistic testing I observed at one of the past Rangemaster Tactical Conferences I attended. The bottom line of the article was that one shouldn’t depend on expansion from short barreled pocket pistols. That article generated all kinds of emails and questions on […]
Weekend Knowledge Dump- June 11, 2021
Knowledge to make your life better. If you have some free time, check out some of these links this weekend. GunBroker and Tips for Buying a Used Firearm I purchase most of my newly-acquired guns from GunBroker. Here’s how to avoid being taken by a scam or an improperly described item. Gel […]
Weekend Knowledge Dump- November 6, 2020
Knowledge to make your life better. If you have some free time, check out some of these links this weekend. TESTING .300 BLACKOUT BALLISTICS Gel testing subsonic .300 Blackout rounds from a short barrel. Speaking of ballistic gelatin, you may also like Ballistic Gel: Purpose, Protocol, & Best Ones. The Smith & […]
Weekend Knowledge Dump- September 25, 2020
Knowledge to make your life better. If you have some free time, check out some of these links this weekend. THE ANYWHERE DEFENSE: IMPACT WEAPON TACTICS Steve Tarani offers some impact weapon advice. The Orange Dot Drill Dave Spaulding shares an incredibly valuable shooting drill that doesn’t need a lot of rounds. […]
Weekend Knowledge Dump- August 7, 2020
Knowledge to make your life better. If you have some free time, check out some of these links this weekend. What’s the Best 38 Special Ammo for Self-Defense? Although I wouldn’t put the Lehigh Defense cartridge into my list of the “top loads,” the author’s ballistic testing results provide very useful information for any […]
