Aim-O 551 Red Dot Black

The Aim-O 551 Red Dot Black is a robust holographic-style red dot sight with a wide field of view and a Circle Dot reticle. Thanks to the combination of a red or green aiming dot, adjustable brightness and a sturdy aluminium housing, this sight is ideal for rapid target acquisition during both CQB and outdoor airsoft.

The distinctive 551 design is popular amongst airsoft players because of its wide field of view and intuitive operation.

Large viewing window for rapid target acquisition

The 30 x 23 mm lens offers a wide field of view, allowing you to track targets more quickly without losing sight of the bigger picture.

With the 1x magnification, you can aim comfortably with both eyes open, making it ideal for dynamic skirmishes where speed is essential.

The sight is suitable for mounting on any 22 mm Picatinny/RIS rail.

Rode of groene Circle Dot

The Aim-O 551 features a Circle Dot reticle, consisting of a central dot surrounded by a circle. This reticle makes it easier to quickly locate targets and aim accurately.

You can choose between:

• Rode Circle Dot
• Groene Circle Dot

The brightness can be easily adjusted using the built-in push buttons, ensuring that the aiming point remains clearly visible in different lighting conditions.

Sturdy aluminium construction

The casing is made from aluminium and finished with a matt, non-reflective coating.

In addition, the sight features:

• Anti-reflective lens coating
• Scratch-resistant finish
• Multi-layer lens coating
• Shock-resistant design
• Splash-proof construction

This ensures that the sight remains reliable during intensive use.

Easy to adjust

Using the windage and elevation adjustments, you can precisely align the aiming point with the point of impact of your BBs.

The sight runs on four LR44 batteries (not included).

A cleaning cloth and instruction manual are included.

Practical insights

The Aim-O 551 Red Dot Black is popular with players who want to combine the look of a holographic sight with a wide field of view and rapid target acquisition. Particularly in CQB and fast-paced skirmishes, the Circle Dot reticle offers a clear advantage as targets are acquired more quickly.

Who is this Red Dot suitable for?

The Aim-O 551 Red Dot Black is ideal for airsoft players looking for a robust holographic-style red dot sight with a large viewing window and a Circle Dot reticle.

Key features

• Origineel Aim-O product
• Holographic style 551 Red Dot
• 1x magnification
• Circle Dot-reticle
• Red and green guide marks
• Adjustable brightness
• Wide viewing window (30 x 23 mm)
• Aluminium casing
• Matt, non-reflective finish
• Windage- en elevation-afstelling
• Anti-reflective multi-layer lens coating
• Scratch-resistant finish
• Shockproof
• Splash-proof
• Suitable for 22 mm Picatinny/RIS rail
• Runs on 4x LR44 batteries (not included)
• Weight: approximately 216 grams
• Length: 11 cm
• Includes a cleaning cloth and instruction manual
• Colour: Black

Common mistakes

• Don’t forget to order four LR44 batteries as well; these are not included.
• Do not adjust the windage and elevation settings until the sight has been securely fitted.
• Use a soft lens cloth to keep the lens coating clean and undamaged.

Frequently Asked Questions

Does this sight have magnification?
No. The Aim-O 551 has a 1x magnification, allowing you to aim quickly with both eyes open.

What is a Circle Dot reticle?
A Circle Dot consists of a central dot surrounded by a circle. This aids rapid target acquisition at short ranges.

Can I choose between a red and a green aiming mark?
Yes. You can switch between a red or green Circle Dot.

What type of batteries does this sight use?
The Aim-O 551 runs on four LR44 batteries, which are not included.

Does this sight fit any replica?
Yes. The sight is suitable for any replica with a 22 mm Picatinny/RIS rail.

Choose speed, clarity and an iconic design with the Aim-O 551 Red Dot Black, the ideal holographic-style sight for any airsoft replica.