Step-by-step guide to setting a 50/200 Improved Battlesight Zero on an A2 carry handle AR, including drum reset and front sight adjustments.
About Scott Witner
Meet the Achilles Heel Tactical Cadre: Paul Costa
Nearly 20 years in law enforcement supporting SWAT, FBI, and DEA operations, and USPSA Master Class competition shape Paul Costa’s principle-based training.
What 5.56 Ammo Do Navy SEALs Use? HOP Munitions Breaks It Down
HOP Munitions breaks down what 5.56 ammo Navy SEALs use, why Mk262 and Barnes TSX dominate the discussion, and how modern solid copper loads compare.
Gun Belt Setup: How Paul Costa Built One Belt to Do It All
Paul Costa finally reveals his go-to gun belt setup — one modular system built to handle competition, duty, and range work.
Mauser M98 Das Original: The Legend Returns with Modern Refinement
Mauser’s M98 Das Original returns with premium refinements and a first-ever .300 Winchester Magnum chambering. A modern heirloom built on the legendary controlled-round-feed action.
Team Wendy Helmets and Gear Now Available Through GovX
Team Wendy integrates GovX verification into its online store, giving military and first responders fast access to a standing 10% discount on helmets and gear.
Old School vs New School: Evolution of the Hook-and-Loop Dive Watch Strap
From combat divers and vintage Seikos to modern tool watches, the hook-and-loop dive strap has evolved without losing its purpose-driven roots.
Winter Will Kill You If You Let It, Finnish Military Survival Tips That Work
When the cold hunts you, your gear decides if you make it through the night. Learn the winter survival tactics and loadout trusted by the Finnish Defense Forces.
Lum-Tec Eclipse E3 Review: A Tool Watch Done Right
A Refined Tool Watch Built for People Who Actually Wear Watches The Lum-Tec Eclipse E3 isn’t trying to be flashy, nostalgic, or disruptive. It’s a modern tool watch done the right way; clean design, smart proportions, serious lume, and real mechanical integrity. This is the kind of watch that appeals to people who care about […]
Best Travel Watch Under $400: One Watch That Works
A practical breakdown of what matters in a true travel watch—durability, readability, accuracy, and zero maintenance—followed by two proven picks under $400.
Time To Effective Resistance: What it is and How it works
Violent attacks consistently end when effective resistance appears. This article explains what time to effective resistance is and what it looks like.
Achilles Heel Tactical Explains the Thinking Behind Its Annual Training Pass
Achilles Heel Tactical outlines why its Annual Training Pass was built to remove friction from training, reinforce consistency, and develop more capable shooters.
Mossberg Introduces the 990 SPX Magpul Semi-Auto Shotgun
The new Mossberg 990 SPX Magpul is a defensive-focused semi-auto shotgun with a gas system, Magpul SGA stock, and optic-ready receiver.
Mossberg Expands 590R Platform with New Chisel Machining Configurations
Mossberg adds folding-stock 590R and magazine-fed 590RM Chisel shotguns built for compact storage, maneuverability, and defensive use.