Optics knowledge base
News
Specialist red dot sight guides, comparisons and setup advice from the Red Dot Sight UK team.
-
Trijicon Optics Guide: RMR, SRO, RCR & RMR HD Explained
A complete guide to Trijicon optics: the RMR Type 2, RMR HD, SRO and RCR explained, with footprint and mounting guidance.
Read guide › -
SIG Sauer Optics Guide: ROMEO Red Dots & JULIET Magnifiers
A complete guide to SIG Sauer optics: the ROMEO red dot range, JULIET magnifiers and combo kits, and how to choose for a pistol...
Read guide › -
EOTech Holographic Sights Explained: XPS, EXPS & HHS Systems
A complete guide to EOTech holographic weapon sights: how the XPS, EXPS and HHS hybrid systems differ and which is right for your rifle.
Read guide › -
Holosun Red Dot Sights: A Complete Range Guide
A complete guide to the Holosun red dot range: EPS, AEMS, ARO, 407/507 pistol optics, 510C, SCS and magnifiers, plus the technology that sets...
Read guide › -
Red Dot Sight Battery Life & Maintenance Tips
How to get the most from your red dot sight: battery life expectations, solar and shake-awake features, cleaning the lens and simple maintenance to...
Read guide › -
How to Co-Witness a Red Dot Sight with Iron Sights
Co-witnessing explained: what absolute and lower-third co-witness mean, why mount height matters, and how to set up irons as a backup to your red...
Read guide › -
How to Zero a Red Dot Sight: A Step-by-Step Guide
A clear, step-by-step guide to zeroing a red dot sight, including choosing a zero distance, making windage and elevation adjustments, and confirming your zero.
Read guide › -
Red Dot Sight Footprints Explained: RMR, RMSc, Holosun K & ACRO
A plain-English guide to red dot sight footprints. Learn what RMR, RMSc, Holosun K and ACRO mean and how to match an optic to...
Read guide › -
What MOA Means on a Red Dot Sight (2, 3 & 6 MOA Explained)
MOA explained in plain English: what it means, how 2, 3 and 6 MOA dot sizes differ, and how to choose the right dot...
Read guide › -
Best Pistol Red Dot Sights UK: Top Optics for Carry & Competition
The best pistol red dot sights available in the UK, from enclosed carry optics to open reflex competition sights, with footprint and dot-size guidance.
Read guide › -
Best Red Dot Sights UK (2026): Top Picks for Rifles & Pistols
Our pick of the best red dot sights available in the UK for 2026, covering rifle optics, pistol optics, enclosed and reflex designs across...
Read guide › -
Choosing a Red Dot Magnifier: Add Magnification Without Losing Speed
A magnifier extends the reach of your red dot or holographic sight without sacrificing close-range speed. We cover magnification levels, mounts, eye relief and...
Read guide ›
