Trijicon RMR HD Red Dot Sight 55 MOA Circle 3.25 MOA Dot Adjustable LED Reticle

The Trijicon RMR HD Red Dot Sight is the next-generation RMR red dot sight — the same legendary toughness with major upgrades: a top-loading battery (no need to remove the optic), a forward-facing light sensor for smarter auto-brightness, and a larger, clearer window. This model offers a switchable 55 MOA circle with a 3.25 MOA centre dot.

Run the full circle-dot for fast acquisition or the dot alone for precision. The RMR HD is built on the durable RMR platform and is RMR-footprint compatible for wide pistol fitment.

How It Compares

Want the finer precision dot? See the RMR HD 1.0 MOA. Prefer the classic RMR Type 2? The RMR Type 2 3.25 MOA. Want a bigger competition window? The Trijicon SRO. It's RMR-footprint compatible — browse all Trijicon pistol red dots and read our Trijicon buyer's guide.

Ideal For

• Duty and defensive pistols
• Shooters wanting top-load battery convenience
• Those who want a circle-dot option

Key Features

• Switchable 55 MOA circle / 3.25 MOA dot
• Top-loading battery (retains zero)
• Forward light sensor for smarter auto-brightness
• Larger window; forged-aluminium housing
• RMR-footprint compatible; made in USA

Technical Specifications

What's Included

• Trijicon RMR HD red dot sight
• Battery, mounting screws, manual

UK Delivery & Support

UK-stocked and dispatched tracked from our UK warehouse — no import duties or customs delays — backed by UK-based support and Trijicon's warranty.

Frequently Asked Questions

RMR HD vs RMR Type 2?
The HD adds a top-loading battery, a forward light sensor and a larger window, plus a switchable circle-dot reticle.

Can I change the battery without removing it?
Yes — the RMR HD loads the battery from the top, so zero is retained.

Does it fit RMR-cut slides?
Yes — the RMR HD is RMR-footprint compatible.