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  • Posts tagged "ballistics"

Posts tagged "ballistics"

Weekend Knowledge Dump- March 14, 2025

Knowledge to make your life better. If you have some free time, check out some of these links this weekend.   The Unlived Life I’m finding social media so contentious and full of such nasty political rhetoric (on both sides) that, for the first time ever, I’m thinking about deleting all of my accounts.  Here’s […]

Posted on March 14, 2025 by Greg Ellifritz in Weekend Knowledge Dump
Active Self Protection, American Cop, AR Build Junkie, ballistics, Breach Bang Clear, Centrifuge Training, Erick Gelhaus, firearms training, flashlight tactics, GAT Daily, gelatin testing, gun digest, holsters, Jerking the Trigger, Legal, lock picking, low light shooting, Mike Seeklander, pistoltraining.com, point shooting, Safariland, shooting drills, Steven Pressfield, SWAT magazine, Swift Silent Deadly, The Lawdog Files View Post

Weekend Knowledge Dump- February 21, 2025

Knowledge to make your life better. If you have some free time, check out some of these links this weekend.   Careful! The ATF Might Still Be After Your Pistol Brace The latest on the pistol brace saga.     Why The 1911 Will Never Die I’m not the biggest 1911 fan, but I know […]

Posted on February 21, 2025 by Greg Ellifritz in Weekend Knowledge Dump
active killer, Active Response Training, active shooter, AK-47, Ammoman School of Guns, ballistics, body language, Chris Hernandez, Claude Werner, Erick Gelhaus, gelatin testing, Gun Snobbery, John Boyd, Massad Ayoob, medical skills, open carry, pepper spray, police, pre-assault indicators, red dot optics, Safariland, school shootings, shooting drills, shotguns, statistics, suppressors, Swift Silent Deadly, The Tactical Wire, The Truth About Guns, tourniquets View Post

Weekend Knowledge Dump- February 14, 2025

Knowledge to make your life better. If you have some free time, check out some of these links this weekend.   Doing The Training Macarena “In the little time — and with the little ammunition available to you — wouldn’t it make sense to practice the undeniable fundamentals of marksmanship? So, let’s not be stupid. […]

Posted on February 14, 2025 by Greg Ellifritz in Weekend Knowledge Dump
active killer, Active Self Protection, active shooter, American Fighting Revolver, AR Build Junkie, AR-15, ballistics, ccw, Claude Werner, Clint Smith, Dave Reichek, defense review, Dr. David Yamane, Dr. James Williams, drones, dry fire, Erick Gelhaus, flashlights, forgotten weapons, GAT Daily, Global Guerillas, Jeff Gonzales, John Boyd, Justin Dyal, Karl Rehn, KR Training, Lucky Gunner, Matt Bracken, Michael Janich, Mike Boyle, Mike Pannone, open carry, pistoltraining.com, police, police training, Primary and Secondary, red dot optics, revolvers, Ryan Holiday, shooting drills, shotguns, situational awareness, statistics, Tatiana Whitlock, The Art of Manliness, The Revolver Guy, Todd Green, Uncle Zo, weapon lights View Post

Weekend Knowledge Dump- June 7, 2024

Knowledge to make your life better. If you have some free time, check out some of these links this weekend.   Vang Comp Thunderstick Summit – October 11-13 2024 | Fairfield, UT | Despite the fact that one of the instructors is somewhat questionable, this is the best shotgun class in the country.  Register soon […]

Posted on June 7, 2024 by Greg Ellifritz in Weekend Knowledge Dump
.22, Active Self Protection, American Cop, American Handgunner, API Prodigy, appendix carry, ballistics, body armor, ccw, cover, Dan Brokos, Dave Spaulding, Dr. David Yamane, GAT Daily, Gun Mag Warehouse, history, holsters, home protection, ITS Tactical, Jeff Gonzales, Larry Lindenman, Legal, Lucky Gunner, Massad Ayoob, Max Velocity Tactical, Paul Markel, Paul Martin, PHLster, psychology, Rangemaster, recall, Recoil Magazine, Recoil Offgrid, revolvers, Shelley Hill, shooting drills, Tamara Keel, The Revolver Guy, The Survival Mom, Uncle Zo, Vang Comp View Post

An Alternate Look at Handgun Stopping Power

Written by: Greg Ellifritz     I’ve been interested in firearm stopping power for a very long time. I remember reading Handguns magazine back in the late 1980s when Evan Marshall was writing articles about his stopping power studies. When Marshall’s first book came out in 1992, I ordered it immediately, despite the fact that […]

Posted on March 21, 2024 by Greg Ellifritz in Articles
ballistics, bullets, Ed Sanow, Evan Marshall, Massad Ayoob, stopping power View Post

Weekend Knowledge Dump- August 11, 2023

Knowledge to make your life better. If you have some free time, check out some of these links this weekend.   A Parent’s Guide to Concealed Carry Some family safety tips.     The art of dynamic entry: Breaching a locked bus Here is a topic that isn’t covered very often.  Bus takedowns are hard.  […]

Posted on August 11, 2023 by Greg Ellifritz in Weekend Knowledge Dump
.357 magnum, Active Self Protection, air guns, ballistics, Ernest Langdon, family safetty, flashlights, gelatin testing, Gun Mag Warehouse, Ken Campbell, Massad Ayoob, Mike Boyle, optics, Outdoor Life, Paul Martin, pepper spray, police, Primer Peak, psychology, Recoil Magazine, school safety, shooting drills, Spotter Up, spyderco, statistics, The Armory Life, vehicle tactics, Will Petty View Post

Weekend Knowledge Dump- April 14, 2023

Knowledge to make your life better.  If you have some free time, check out some of these links this weekend.   Anatomy of a Port Load An intelligent analysis of shotgun port loading methods.  I’m still an “over the top” guy, but I encourage my students to try both ways.  But even more important is to […]

Posted on April 14, 2023 by Greg Ellifritz in Weekend Knowledge Dump
Active Self Protection, ballistics, Claude Werner, Dave Spaulding, Everyday Marksman, exercise, GAT Daily, gelatin testing, gun digest, Gun Mag Warehouse, Guns Magazine, history, John Hearne, Karl Rehn, Kelly Starrett, Lucky Gunner, Massad Ayoob, Michael Bane, Michael de Bethencourt, Pew Pew Tactical, Primer Peak, Riley Bowman, shooting drills, shotguns, That Shotgun Blog, The Art of Manliness View Post

Patterning Three Common Buckshot Loads

Shotgun patterns have been on my mind since attending Rangemaster’s excellent shotgun instructor class in Nashville two weeks ago.  I was honestly a bit shocked that many of my fellow students didn’t really understand the differences in buckshot patterning at various differences.   I patterned three different common 00 Buck defensive loads out of my […]

Posted on February 7, 2023 by Greg Ellifritz in News and Tactical Advice
ballistics, shotgun View Post

Ammunition Choices for 9mm Revolvers

Written by- Greg Ellifritz   When I was teaching at the Gunsite Pat Rogers Memorial Revolver Roundup last month (sign up for next year), I had a couple students using revolvers chambered in 9mm caliber.  One of the students asked me about best choices for a defensive loads for a 9mm revolver.     Looking […]

Posted on December 19, 2022 by Greg Ellifritz in Reader Questions
9mm, ballistics, George Harris, handgun stopping power, revolvers, Ruger View Post

Don’t Use Bird Shot for Self Defense

Written by: Greg Ellifritz   Take a look at this article.   Tacoma man shoots would-be burglar in the face   The link above shows what happens in  a typical birdshot defensive shooting. The birdshot created the desired response (stopping the attack), but it certainly didn’t incapacitate the burglar. If the burglar had been armed, […]

Posted on December 12, 2022 by Greg Ellifritz in News and Tactical Advice
ballistics, birdshot, home defense, shotgun, stopping power, Tim Chandler View Post

Testing .22 Caliber Defensive Ammunition

Knowing that I like data and enjoy shooting .22 pistols more than most, my friend Bob Cutajar sent me the results of his recent intensive study of a huge number of .22 rounds, charting velocity, consistency, and energy of each projectile.  Bob graciously allowed me to share this useful data with all of you.   […]

Posted on July 18, 2022 by Greg Ellifritz in News and Tactical Advice
.22, ammunition testing, ballistics, Bob Cutajar, guest author View Post

Weekend Knowledge Dump- May 13, 2022

Knowledge to make your life better.  If you have some free time, check out some of these links this weekend.   How to Find The Best Concealed Carry Holster Excellent tips for choosing and carrying a CCW holster.     U.S. police trainers with far-right ties are teaching hundreds of cops My police instructor friends […]

Posted on May 13, 2022 by Greg Ellifritz in Weekend Knowledge Dump
.22, Active Self Protection, AK-47, Annette Evans, ballistics, ccw, Combat Sports Law, disarms, Doom and Bloom, drugs, gelatin tests, holsters, John Lott, Kevin Creighton, Massad Ayoob, medical skills, medicinal plants, Michael Janich, On Her Own, Pew Pew Tactical, police, police training, Prepared Gun Owner, revolvers, saps, shooting drills, shotguns, squib loads, Tamara Keel, The Revolver Guy, travel, weapons retention View Post

Snubnose Revolver Ballistic Gelatin Tests

When I was a kid back in the early 1980s, my parents had some rural land where we spent weekends hiking, hunting, and shooting guns.  A man up the road from my parents’ place was a well known “gun guy.”  He shot constantly and often offered to let young Greg shoot all his cool guns.  […]

Posted on May 11, 2022 by Greg Ellifritz in Gear Reviews
ballistics, Chuck Haggard, gelatin testing, Gunsite, Mark Fricke, revolvers, snubnose View Post

Weekend Knowledge Dump- May 6, 2022

Knowledge to make your life better.  If you have some free time, check out some of these links this weekend.   Stop Blinding Yourself Excellent advice for low light structure clearing.     Gunfighter Pistol: The Fitz Special Part 1 This is an amazingly informative article series about the Fitz Special guns.  Make sure you […]

Posted on May 6, 2022 by Greg Ellifritz in Weekend Knowledge Dump
Active Self Protection, Andrew Branca, Annette Evans, AR-15, ballistics, Calibre Press, ccw, Chris Hernandez, firearms training, flashlights, impact weapons, Kelly McCann, Lee Weems, Legal, low light, Lucky Gunner, Mark Manson, On Her Own, Pew Pew Tactical, police, Primary and Secondary, psychology, Recoil Magazine, saps, shooting drills, Surefire, Tasers View Post

Weekend Knowledge Dump- April 23, 2021

Knowledge to make your life better.  If you have some free time, check out some of these links this weekend.   Top Concealed Carry Errors Explained Are you making these errors?     Double Action Only Rationale Massad Ayoob schools us on the history of the double action trigger pull and how it was once […]

Posted on April 23, 2021 by Greg Ellifritz in Weekend Knowledge Dump
.223, Active Self Protection, Amplified Being, art of manliness, ballistics, Civilian Defender, Combat Sports Law, Crime Prevention Research Center, crime rates, GAT Daily, Kevin Davis, knives, Larry Vickers, Lucky Gunner, Massad Ayoob, Mike Seeklander, night vision, Pew Pew Tactical, Recoil Offgrid, revolvers, riots, Sherman House, shooting drills, slings, Todd Green View Post

Weekend Knowledge Dump- April 16, 2021

Knowledge to make your life better.  If you have some free time, check out some of these links this weekend.   Peep Sight vs Open Sight: A Tale of Two Radii Interesting data.  I enjoy reading casual studies like this one.  Want more science?  Read DO YOU NEED A VERTICAL FORE GRIP ON YOUR RIFLE: […]

Posted on April 16, 2021 by Greg Ellifritz in Weekend Knowledge Dump
.223, 10mm, active killer, Active Self Protection, active shooter, American Shooting Journal, Ammoman School of Guns, ankle, Ballistic Radio, ballistics, Bill Rogers, Bombs, Caleb Giddings, ccw, Claire Wolfe, Claude Werner, Condition Red Response, David Yamane, de-escalation, firearms training, GAT Daily, gelatin tests, holsters, John Hearne, John Lott, Krebs on Security, Legal, less lethal, Massad Ayoob, police, police knife attacks, Practical Eschatology, Primary and Secondary, revolvers, scams, school shootings, shooting drills, statistics, The Gun Writer, Tier Three Tactical, Tim Chandler View Post

Weekend Knowledge Dump- December 18, 2020

Knowledge to make your life better. If you have some free time, check out some of these links this weekend.   Concealed Carrier Assaulted By Man Who Pulls Knife, And Makes Many Mistakes During This Incident Take the time to watch this short surveillance video.  It’s pretty much the epitome of how not to handle […]

Posted on December 18, 2020 by Greg Ellifritz in Weekend Knowledge Dump
.410, Active Self Protection, American Handgunner, Ammoman School of Guns, backup gun, ballistics, booby traps, Brian Enos, Caleb Giddings, ccw, Chris Fry, church security, Concealed Nation, criminal firearms, crowd violence, Ed Head, flashlights, GAT Daily, gunsmithing, Hilton Yam, history, home invasion, Karl Rehn, knife fighting, knife fights, Lexipol, Paul Martin, police, Precision Rifle Blog, Ralph Mroz, Seth Godin, Steve Moses, Steve Tarani, survival, Survival Mom, Swift Silent Deadly, Tamara Keel, Tiger McKee, Tim Chandler, weapon retention View Post

Weekend Knowledge Dump- December 4, 2020

Knowledge to make your life better. If you have some free time, check out some of these links this weekend.   How to Survive a Mass Shooting The post-Covid quarantine mass shootings are starting to kick up. This is good advice to review. We had a respite for awhile, but there are lots of people […]

Posted on December 4, 2020 by Greg Ellifritz in Weekend Knowledge Dump
active killer, active shooter, AR Build Junkie, AR-15, ballistics, ccw, Concealed Nation, de-escalation, Defenders and Disciples, Ed Head, family safety, firearms training, Force Science, fraud, gunsmithing, Hilton Yam, Hock Hochheim, impact weapons, John Mosby, knife fighting, Marcus Wynne, Massad Ayoob, medical skills, Michael Bane, Mountain Man Medical, optics, Organic Prepper, Paul Carlson, Paul Howe, police, Precision Rifle Blog, red dot sights, shooting drills, survival, Swift Silent Deadly, Tamara Keel, terroism, The Armory Life, The Revolver Guy, Tier Three Tactical View Post

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.  […]

Posted on September 25, 2020 by Greg Ellifritz in Weekend Knowledge Dump
Active Self Protection, Ballistic Radio, ballistics, Black Man With A Gun, body armor, Buckeye Firearms, Caleb Giddings, carjacking, Craig Douglas, Dave Spaulding, escape, firearms training, forgotten weapons, GAT Daily, Grant Cunningham, Guns Guide to Liberals, home defense, impact weapons, jiujitsu, Ken Hackathorn, Legal, Marcus Wynne, Massad Ayoob, medical skills, Michael Bane, Paul Martin, Pew Pew Tactical, police shootings, Practically Tactical, restraints, revolvers, shooting drills, Spotter Up, Steve Tarani, Swift Silent Deadly, Tamara Keel, Todd Green, vehicle tactics, William Aprill View Post

Weekend Knowledge Dump- September 18, 2020

Knowledge to make your life better. If you have some free time, check out some of these links this weekend.   The New Rules of Engagement If you only consume one piece of content from this post, make it this one.  In Michael Bane’s podcast, he discusses how the criminal threats we are training to […]

Posted on September 18, 2020 by Greg Ellifritz in Weekend Knowledge Dump
Active Self Protection, AR-15, ballistics, Bombs, Buckeye Firearms, Caleb Giddings, Doom and Bloom, explosives, financial crimes, firearms training, gelatin tests, Grant Cunningham, Kyle Lamb, Marcus Wynne, Massad Ayoob, medical skills, Mike Seeklander, Organic Prepper, Pew Pew Tactical, Practical Eschatology, Ralph Mroz, restraints, revolvers, riots, scams, shooting drills, shotguns, Steve Fisher, Swift Silent Deadly, Tamara Keel, vehicle tactics View Post
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