IP Ratings Explained: IP67 vs IPX7 vs IPX8 Waterproof Chart
The IP code decoded for optics and weapon lights: what each digit means under IEC 60529, real ratings from the sights we stock,...
Read Guide →Explainer
The Journal
News
Deep, practical guides to optics, mounts and tactical lighting — written for UK shooters by people who use the gear.
Explainer
Holosun Model Numbers Explained: HS, HE, C, K, T & X2 Decoder
A decoder for Holosun model numbers: HS vs HE, single dot vs Multi-Reticle System, the platform numbers and the C, K, T, M, G a...
Read Guide →
Holosun
Red Dot Sight Battery Chart: Which Battery Does Your Optic Use?
Model-by-model battery chart for the Holosun, Trijicon, SIG, EOTech and Primary Arms sights we stock, with quoted runtimes, coi...
Read Guide →
Explainer
Lumens vs Candela Chart: Weapon Light Output & Throw Explained
Lumens are flood, candela is throw. A candela-to-beam-distance chart recalculated from the ANSI FL1 formula, plus manufacturer ...
Read Guide →
Explainer
MOA at Distance Chart: Dot Size & Click Values Explained
Dot coverage and click movement for 1/4, 1/2 and 1 MOA and 0.1 MRAD from 25 to 300 m, with yards alongside. Every cell recomput...
Read Guide →
Magnifiers
Red Dot Mount Height Chart: Absolute, Lower 1/3, 1.93 & 2.26
Every common red dot mount height in inches and millimetres, with height over bore on an AR-15 upper and which height suits whi...
Read Guide →
Holosun
Pistol Red Dot Footprint Compatibility Chart (2026): Which Optic Fits Your Pistol?
Every pistol optic we stock mapped to its footprint: RMR, RMSc, Holosun K, 509T, DeltaPoint Pro, ACRO, Docter and pistol-specif...
Read Guide →
Explainer
What Is MOA? Red Dot & Scope MOA Explained Simply
1 MOA is 29.1 mm at 100 m (1.047 in at 100 yd). What that means for red dot size, turret clicks and zeroing, with metric figure...
Read Guide →
Explainer
Red Dot Co-Witness Heights Explained: Absolute, 1/3 & 1.93
Absolute, lower 1/3 or 1.93 in? What co-witness means, what each height looks like through the glass, and how to choose for a s...
Read Guide →
Buying Guide
Best Budget Red Dot Sights in 2026: Value Picks Under £250
The best budget red dots under £250 for rifle and pistol, from SIG, Holosun and Primary Arms: what to look for, what each offer...
Read Guide →
Explainer
SIG Sauer ROMEO Range Explained: ROMEO5, 4, X & M17
SIG's ROMEO red dots explained family by family, from the ROMEO5 to the ROMEO8T-AMR, with batteries, footprints, MOTAC and JULI...
Read Guide →
EOTech
EOTech Holographic Sights Explained: How They Work
How EOTech holographic sights work, the 68 MOA ring and 1 MOA dot in centimetres, what XPS and EXPS model codes mean, battery l...
Read Guide →