Guide
How to Clean & Maintain Your Optic and Weapon Light
A few minutes of care keeps optics clear and lights running. Here is how to clean lenses correctly, look after batter...
Field Notes
News
Buying guides, comparisons and how-tos from the Xtreme Tactical team.
Guide
MRAD vs MOA Explained: Which Rifle Scope Adjustment Should You Choose?
MOA and MRAD are just two ways of measuring the same thing — angle. Here is how each works, what a click is worth, an...
Guide
Red Dot Sight Battery Chart: Which Battery Does Your Optic Use?
A red dot sight battery chart — which battery (CR2032, CR1632, CR1620, AAA, CR123) popular Holosun, Trijicon and SIG ...
Guide
Lumens vs Candela Chart: Weapon Light Output & Throw Explained
Lumens vs candela explained, with a candela-to-throw distance chart and real weapon-light examples. Understand bright...
AR-15 Optics
Red Dot Mount Height Chart: Absolute, Lower 1/3, 1.93 & 2.26
A red dot mount height chart — absolute co-witness, lower 1/3, 1.93in and 2.26in optical heights explained, with what...
Guide
MOA at Distance Chart: Dot Size & Click Values Explained
An MOA at distance chart — how big a 1, 2, 3.25, 6 or 8 MOA dot covers at 25 to 200 yards, plus how many clicks move ...
Guide
What Is MOA? Red Dot & Scope MOA Explained Simply
MOA (Minute of Angle) explained simply — what it means for dot size, click adjustments and zeroing, plus how it compa...
AR-15 Optics
Red Dot Co-Witness Heights Explained: Absolute, 1/3 & 1.93
Absolute, lower-1/3 or 1.93in? Red dot mount co-witness heights explained — what each means, how it affects your AR-1...
AR-15 Optics
EOTech Holographic Sights Explained: How They Work
How EOTech holographic sights work and how they differ from a red dot — the ring-and-dot reticle, magnifier pairing a...
ACSS
What Is the ACSS Reticle? Primary Arms' System Explained
Primary Arms' ACSS reticle explained in plain English — how the built-in BDC, ranging and wind holds work, the main v...
Guide
How to Mount & Zero a Red Dot Sight: Step-by-Step Guide
A step-by-step guide to mounting and zeroing a red dot sight on a rifle or pistol — mounts, torque, thread locker, bo...