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 ...
Field Notes
News
Buying guides, comparisons and how-tos from the Xtreme Tactical team.
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...
Budget
Best Budget Red Dot Sights in 2026: Top Value Picks
The best budget red dot sights in 2026 — reliable, feature-packed value picks from Holosun and SIG for rifle and pist...
Buying Guide
SIG Sauer ROMEO Range Explained: ROMEO5, 4, X & M17
The SIG Sauer ROMEO red dot range explained — ROMEO5, ROMEO4, ROMEO8, ROMEO-X and ROMEO-M17 for rifle and pistol, and...
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...
Buying Guide
Holosun Optics Buyer's Guide: Which Holosun Is Right for You?
Confused by Holosun model numbers? This buyer's guide decodes the 507C, 507K, EPS, AEMS and more, so you can choose t...
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...
Buying Guide
Enclosed vs Open Red Dot Sights: Which Should You Choose?
Open or enclosed emitter? A clear comparison of the two red dot sight types — reliability, weight and cost — to help ...
Buying Guide
Green vs Red Dot Sights: Which Reticle Colour Is Best?
Green vs red dot sights — which reticle colour is brighter, easier to see and better value? A clear comparison to hel...
AR-15 Optics
Red Dot vs Holographic vs LPVO: Which Rifle Optic Is Right for You?
Red dot, holographic or LPVO? A clear comparison of the main rifle optic types — pros, cons and best uses — to help y...
AR-15 Optics
Best AR-15 Optics in 2026: Red Dots, LPVOs, Prisms & Holographics
Red dot, LPVO, prism or holographic? A clear 2026 guide to choosing the best optic for your AR-15, with standout UK-s...