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.
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 ...
ACOG
Trijicon Buyer's Guide: RMR, SRO, ACOG & MRO Explained
The Trijicon range explained — RMR, SRO and RCR pistol red dots, the legendary ACOG and the MRO rifle optic, so you c...
Buying Guide
Best Pistol Red Dot Sights in 2026: Carry, Duty & Competition
The best pistol red dot sights in 2026, chosen by use case — carry, duty and competition — with UK-stocked Holosun, T...
Buying Guide
RMR vs RMSc Footprint: Which Pistol Red Dot Sight Fits Your Gun?
RMR vs RMSc footprint explained in plain English — how to tell which pistol red dot sight will actually fit your slid...