Buying Guides
Holosun EPS vs EPS Carry vs EPS CORE: Which Enclosed Pistol Sight?
Holosun's EPS, EPS Carry and EPS CORE compared — sizes, footprints, reticles and colours — so you can pick the right ...
Field Notes
News
Buying guides, comparisons and how-tos from the Xtreme Tactical team.
Buying Guides
Red Dot Size Chart: 2 MOA vs 3 MOA vs 6 MOA Compared
How big is a 2, 3 or 6 MOA dot really? Coverage chart at 10–100 metres plus how to pick the right dot size for pistol...
Red Dot Sights
IP Ratings Explained: IP67 vs IPX7 vs IPX8 Waterproof Chart
What IP67, IPX7 and IPX8 actually mean on optics and weapon lights — the full ingress protection chart, decoded with ...
Buying Guides
Holosun Model Numbers Explained: HS, HE, C, K, T & X2 Decoder
What Holosun's model numbers actually mean — HS vs HE, 407 vs 507 vs 510 vs 512, and the C, K, T, X2, CM and GM suffi...
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 ...
Buying Guide
Pistol Red Dot Footprint Compatibility Chart (2026): Which Optic Fits Your Pistol?
A clear, up-to-date pistol red dot footprint compatibility chart — RMR, RMSc/K, 509T, RCR and RMR HD — mapping which ...
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...