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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Review: Liberty Hill Tactical, LLC LHT4 Carbine
I received a Liberty Hill Tactical (LHT) LHTM4 carbine from Russell Allen a year ago for an extended test and evaluation. I wanted to get this review done…
Read articleP&S ModCast 152 — Pistol Caliber Carbines
P&S ModCast 152 examines pistol caliber carbines with an experienced panel, practical context, equipment considerations, and training implications.
Read articleBeginner’s Circle – MAGSTRAVIGANZA! Or, Why You Might Want More Magazines
If your AR came with this, and it’ still the only one you have, you should consider buying it some friends Making the Case for More Magazines I…
Read articleSage Dynamics Defensive Rifle AAR
March 24-25, 2018 PMAA Range, Salt Lake City Equipment 13.7” AR (one I built) Sandman K/Saker 556 (Key-Mo adapter) Magpul MS1 sling Trijicon TR24 1-4 Glock 43…
Read articleP&S ModCast 147 — QA/QC in the AK World
Jim Fuller, Karl Kasarda, Shayn Striegel, and Matt Landfair discuss quality assurance, quality control, and practical considerations in the AK world.
Read articleP&S ModCast 145 — Gun Nerds 14: The Pistol Episode
P&S ModCast 145 examines gun nerds 14: the pistol episode with an experienced panel, practical context, equipment considerations, and training implications.
Read articleGear Review: Bootleg Adjustable Bolt Carrier
Function Like many options on the market today, the Bootleg carrier works to decrease the amount of gas being used to cycle the action. When attaching a suppressor,…
Read articleHow to Choose and Use a Rifle Sling
A practical guide to rifle sling roles, single-, two-, and three-point designs, adjustment, weapon retention, shoulder transitions, positional support, and equipment integration.
Read articleThe Knight’s Armament Company SR-15 MOD 2 14.5″ Carbine, 10,000+ Rounds Later
Foreground In this day and age, a plethora of AR-15s hit the market, get reviewed and are well received. However, there are some rifles out there that simply…
Read articleHow Military Units Can Identify and Address Capability Gaps
A practical process for turning a field problem into useful evidence, a clearly defined requirement, and a solution that leaders and acquisition organizations can evaluate.
Read articleRob Haught Shotgun Class AAR (2017)
A detailed after-action review of Rob Haught’s December 2017 shotgun course in Arizona, covering recoil management, mounting, loading, manipulation, patterning, and instructional method.
Read articleAAR – Kyle Defoor, Defoor Proformance Shooting, Scoped Carbine
I went to the Kyle Defoor, Defoor Proformance Shooting, Scoped Rifle Class at Saltwaters Range in St. Augustine on February 27-28. I attended the same class at a…
Read articleWhat Gun Should I Buy? – Prioritizing Firearm Purchases
Nearly everyone who buys a gun, especially people new to guns, started with the question, “What gun should I buy?” We all have experiences that shape our…
Read articleP&S ModCast 130 – Gun Nerds 12: AR Manufacturing QA/QC & You
AR-15 manufacturers and experienced users discuss quality assurance, quality control, parts selection, maintenance, and rifle reliability.
Read articleM4A1 Magazine Problems: Inspection, Maintenance, and Prevention
How magazine condition can cause M4A1 feeding problems—and how inspection, identification, maintenance, and disciplined replacement help prevent avoidable malfunctions.
Read articleGlock 43 Micro Comp
Background I have been fortunate enough to shoot a fair share of comped pistols, everything from full-on USPSA race guns to Glocks of all shapes and sizes, and…
Read articleP&S ModCast 129 – Gun Nerds 11: The Road To The M17 Pistol
A panel discussion tracing U.S. military sidearms through the testing and adoption of the M17 pistol.
Read articleP&S ModCast 128 — The Allure and Misunderstandings of Pistol Weaponlights
P&S ModCast 128 examines the allure and misunderstandings of pistol weaponlights with an experienced panel, practical context, equipment considerations, and training implications.
Read articleP&S ModCast 126 — The Gauge: Defensive Shotguns
A detailed discussion of defensive and duty shotguns: setup, pump versus semiauto, ammunition, patterning, recoil, loading, maintenance, equipment, and training.
Read articleExcel Data Validation and Conditional Formatting for Training Records
Use Excel data validation and conditional formatting to standardize weapons-training records, reduce entry errors, flag results, and preserve auditable raw data.
Read articleStable Pistol Shooting: Relaxation, Natural Point of Aim, and Recoil
Improve stable pistol shooting by using purposeful tension, repeatable structure, natural orientation, acceptable sight movement, and predictable recoil recovery.
Read articleProject Appleseed Rifle Clinic After-Action Review
A detailed Project Appleseed AAR covering rifle fundamentals, unsupported positions, sling use, the AQT standard, known-distance shooting, instruction, and American history.
Read articleAddressing Concerns With the Sig Sauer P320
Editor’s Update: September 2026 Historical context: This article preserves Bruce Gray’s August 2017 assessment as it was presented at the time. SIG SAUER subsequently introduced its P320 Voluntary…
Read articleP&S ModCast 105 — Gun Nerds 7: Squad Support Weapons
A detailed discussion of squad support weapons, machine-gun theory, M240 and M249 employment, the M27 IAR, .338 systems, optics, ammunition, doctrine, leadership, and training.
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