Trijicon RMR | A compact and robust reflex viewfinder

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Introduction

The Trijicon RMR (Ruggedized Miniature Reflex) is a compact reflex sight designed to improve target acquisition speed and shooting accuracy. Developed by Trijicon, a company renowned for its military and civilian optics, theRMR is widely used by law enforcement, sport shooters and the military due to its durability, light weight and versatility. Compatible with pistols, rifles and shotguns, it has become a benchmark in the field of electronic sights.

History of Trijicon RMR

Launched in the 2000s, the Trijicon RMR was designed to meet the growing needs of shooters looking for a compact, durable optical solution for their handguns and long guns. Thanks to its robust forged aluminum design, it quickly gained popularity with special forces and professional shooters.

With the success of the first model, Trijicon introduced improved versions, including the RMR Type 2, which offers improved shock resistance, optimized battery management and enhanced electronics.

Technical data

ModelPoint typeStitch size (MOA)WeightPower supplyBattery life
RMR Type 1LED / Tritium-Fiber1, 3.25, 6.5 MOA33 gCR20324 years at medium brightness
CMA Type 2Enhanced LED1, 3.25, 6.5 MOA33 gCR20324 years at medium brightness
RMR Dual-IlluminatedFiber optics + Tritium7, 9, 13 MOA33 gWithout batteryPermanent illumination

Ergonomics and design

The Trijicon RMR is designed for maximum strength while remaining lightweight and compact:

  • Forged aluminum case: Resistant to shock, vibration and extreme conditions.

  • Manual and automatic brightness adjustment system: adapts to different lighting conditions.

  • Variable red dot size (MOA): Available in several sizes to suit shooters’ needs.

  • Compatibility with a wide range of platforms: Can be fitted to pistols, rifles and shotguns via a variety of mounting brackets.

Advantages and limitations of Trijicon RMR

Benefits

  • Exceptional robustness: designed to withstand the harshest environments.

  • Improved accuracy: reduced target acquisition time thanks to a clear, sharp light spot.

  • Long-lasting autonomy: up to 4 years of use on a single CR2032 battery.

  • Battery-free options (Dual-Illuminated): Fiber optic and tritium operation, ideal for combat conditions.

Limits

  • High price: More expensive than some competing SLR viewfinders.

  • Requires specific mounting: not all guns are compatible without adaptation.

  • Dual-Illuminated version less effective in low light: no fine adjustment of dot brightness.

Comparison with other SLR viewfinders

ModelStitch size (MOA)Power supplyService lifeWeight
Trijicon RMR Type 21, 3.25, 6.5 MOACR20324 years old33 g
Leupold DeltaPoint Pro2.5 MOACR20322.5 years55 g
Holosun 507C2 MOA + 32 MOA (circle)CR1632 + solar5 years42 g
Aimpoint ACRO P-23.5 MOACR20325 years60 g

The Trijicon RMR is one of the most robust sights on the market, although the Holosun 507C offers longer battery life and solar options. Compared with theAimpoint ACRO P-2, it’s lighter but less waterproof and more exposed to direct shocks.

Contemporary use

Trijicon RMR is used by :

  • Armed forces and special units: Mounted on pistols and rifles for tactical engagements.

  • Law enforcement: Many SWAT units and police departments have adopted it for its performance.

  • Sport shooters: Highly prized in IPSC and dynamic shooting for its increased aiming speed.

  • The civilian market: many handgun owners install it on pistols such as the Glock MOS, Sig Sauer P320 and CZ P-10C.

Conclusion

The Trijicon RMR is a robust and reliable reflex viewfinder, ideal for professional and sporting use. Thanks to its compact design and long service life, it remains a preferred choice among high-performance optics. Although its price is higher than some of its competitors, its reliability and resistance to extreme conditions make it an essential reference in the field of electronic viewfinders.

trijicon rmr

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