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 ...
Field Notes
News
Buying guides, comparisons and how-tos from the Xtreme Tactical team.
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 ...