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10 Best Airgun Scopes 2025 in the UK

Fast Mount Riflescope 3-9x40 AO Mil Dot

Magnification: 3-9x
Objective Lens Diameter: 40mm
Reticle Type: Mil Dot
Parallax Adjustment: Adjustable objective (AO)
Durability and Build Quality: Solid metal 1-inch split-tube

Hawke Vantage 3-9x40 AO Riflescope 1"

Magnification: 3-9x
Objective Lens Diameter: 40mm
Parallax Adjustment: Adjustable objective lens
Durability and Build Quality: 1-inch split-tube chassis, Aluminium

Vortex Viper 6.5-20x50 PA Rifle Scope Mil Dot Reticle Multi Coated Waterproof

Magnification: 6.5-20x
Objective Lens Diameter: 50 mm
Reticle Type: Mil Dot
Durability and Build Quality: Waterproof, Alloy Steel, Aluminium

Vortex Crossfire II 4-16x50 AO Scope

Magnification: 4x to 16x
Objective Lens Diameter: 50mm
Reticle Type: capped
Eye Relief: generous
Parallax Adjustment: adjustable objective (AO)
Durability and Build Quality: robust, withstands rugged conditions
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#2

Fast Mount Riflescope 3-9x40 AO Mil Dot

Rating
10.0
Magnification
Objective Lens Diameter
Reticle Type
Magnification
Zooming maintains focus consistently, enhancing the shooting experience across the 3x to 9x magnification range.
Objective Lens Diameter
This scope delivers a noticeably brighter and clearer view thanks to superior glass and fully multi-coated optics.
Reticle Type
The fast-focus eyepiece and adjustable dioptre ensure quick, accurate reticle clarity suited for different shooters.
Parallax Adjustment
The adjustable objective completely eliminates fuzzy images at close range, maintaining sharp focus on the target.
Durability and Build Quality
Controls feel firm and well-damped with solid, finger-adjustable turrets that have precise click detents.

The Fast Mount Riflescope 3-9x40 AO Mil Dot is designed for shooters who want a versatile scope suitable for hunting and general shooting on a rifle. It offers a magnification range from 3x to 9x, which is good for both close and medium distances. The 40mm objective lens allows plenty of light to pass through, helping with clear and bright images, especially in lower light conditions. The scope has fully multi-coated optics, enhancing clarity and reducing glare.

One standout feature is the adjustable objective (AO), which helps correct parallax errors—this means your target stays in focus even if your eye position shifts slightly. It also has low-profile turrets for easy adjustments with a tactile feel, and a fast-focus eyepiece, making it simple to quickly get a sharp reticle view. The scope uses a Mil Dot reticle, which is useful for range estimation and aiming adjustments.

Durability is supported by a solid metal 1-inch split-tube chassis, giving strength and resistance to recoil or rough handling. The scope also includes flip-up lens covers and mounts for convenience. The proprietary Fast Mount system might limit compatibility with some rifles or mounting options compared to standard mounts. While the build quality is generally good, the scope may not satisfy users looking for premium glass or very advanced features seen in more expensive models.

This scope is well suited for hunters and casual shooters seeking a reliable, mid-range magnification scope that balances clarity, durability, and useful features like parallax adjustment and Mil Dot reticle, all at a reasonable price point.

Rating
10.0
Magnification
Objective Lens Diameter
Reticle Type
Magnification
Zooming maintains focus consistently, enhancing the shooting experience across the 3x to 9x magnification range.
Objective Lens Diameter
This scope delivers a noticeably brighter and clearer view thanks to superior glass and fully multi-coated optics.
Reticle Type
The fast-focus eyepiece and adjustable dioptre ensure quick, accurate reticle clarity suited for different shooters.
Parallax Adjustment
The adjustable objective completely eliminates fuzzy images at close range, maintaining sharp focus on the target.
Durability and Build Quality
Controls feel firm and well-damped with solid, finger-adjustable turrets that have precise click detents.

Buying Guide for the Best Airgun Scopes

Choosing the right airgun scope can significantly enhance your shooting experience, whether you're target shooting, hunting, or plinking. The right scope will help you see your target more clearly, aim more accurately, and ultimately improve your performance. To make an informed decision, it's important to understand the key specifications of airgun scopes and how they relate to your specific needs and preferences.
MagnificationMagnification refers to how much closer the scope can make the target appear. This is important because it allows you to see details that would be difficult to discern with the naked eye. Scopes typically come with fixed or variable magnification. Fixed magnification scopes are simpler and often more durable, while variable magnification scopes offer flexibility for different shooting distances. If you are shooting at close range, a lower magnification (e.g., 3x to 9x) is sufficient. For longer distances, higher magnification (e.g., 10x to 24x) may be necessary. Consider your typical shooting distance to choose the right magnification.
Objective Lens DiameterThe objective lens diameter is the size of the front lens of the scope, measured in millimeters. This spec is important because it affects the amount of light that enters the scope, impacting the brightness and clarity of the image. Larger objective lenses (e.g., 40mm to 50mm) gather more light, which is beneficial in low-light conditions but can make the scope heavier. Smaller objective lenses (e.g., 20mm to 32mm) are lighter and more compact but may not perform as well in dim lighting. Choose a diameter based on your need for portability versus image brightness.
Reticle TypeThe reticle, or crosshair, is the aiming point you see when looking through the scope. Different reticle types can suit different shooting styles. Simple crosshairs are great for general use, while more complex reticles with dots or hash marks can help with range estimation and windage adjustments. Illuminated reticles are useful in low-light conditions. Consider what type of shooting you do most often to choose a reticle that will help you aim accurately.
Field of ViewField of view (FOV) is the width of the area you can see through the scope at a specific distance, usually measured in feet at 100 yards. A wider FOV allows you to see more of the area around your target, which is useful for tracking moving targets and situational awareness. Higher magnification typically reduces FOV. If you need to track fast-moving targets or prefer a broader view, opt for a scope with a wider FOV.
Eye ReliefEye relief is the distance between your eye and the scope at which you can see the full image. This is important for comfort and safety, especially with high-recoil airguns. Longer eye relief (e.g., 3 to 4 inches) is better for high-recoil situations, while shorter eye relief (e.g., 1 to 2 inches) can be sufficient for low-recoil airguns. Choose eye relief based on the recoil of your airgun and your comfort preferences.
Parallax AdjustmentParallax adjustment helps ensure that the target image and the reticle are on the same focal plane, which is important for accuracy at different distances. Scopes with parallax adjustment allow you to fine-tune the focus for different ranges, reducing aiming errors. If you shoot at varying distances, a scope with parallax adjustment can be beneficial. For fixed-distance shooting, this feature may be less critical.
Durability and Build QualityDurability and build quality refer to how well the scope is constructed and its ability to withstand the elements and rough handling. This is important for ensuring the scope lasts and performs well over time. Look for scopes made from high-quality materials like aircraft-grade aluminum and those that are waterproof, fog-proof, and shockproof. If you plan to use your airgun in harsh conditions or for hunting, prioritize durability and build quality.