Open red dot Aim-O LED RMR Adjustable — Grey

The Aim-O LED RMR Adjustable is a red dot sight in RMR format, designed for pistols and carbines on a 20–22 mm Picatinny or Weaver rail. Its compact profile and integrated low-profile mount make it well suited to rapid target acquisition at close range and on moving targets, where acquisition speed matters more than magnification.

The red dot is parallax-free: the shooter can keep both eyes open and shift their head without the dot moving relative to the target, which speeds up acquisition and reduces fatigue during extended sessions. The front lens is coated to cut reflections from direct sunlight — a detail that makes a real difference outdoors when reading the reticle quickly. Elevation and windage are adjustable by screw, so the dot can be zeroed precisely on the firearm without special tools.

The body is metal with a protective cover included. The knurled mounting screw allows the sight to be attached and removed without a screwdriver, which is convenient for shooters who frequently swap the optic between different firearms. The trade-off is that return-to-zero is not guaranteed the way it is with a lever-lock quick-detach mount, so a confirmation shot is needed each time the optic is remounted.

Key features

• Parallax-free red dot: stays on target even with small lateral head movements, for faster sight acquisition.
• Integrated elevation and windage adjustment: lets you zero the dot on the firearm without external adapters.
• Low-profile mount for 20–22 mm rails with knurled screw: easy to fit and remove by hand, no tools required.
• Metal body with protective cover included: keeps the lenses protected during transport and storage.
• Anti-reflection front lens: reduces glare in bright sunlight while keeping the dot clearly visible.

In the box

• Aim-O LED RMR Adjustable sight
• Protective cover