Kahles K540i 5-40x56i Rifle Scope

Craftsmanship & Construction

Built around a robust 36mm main tube, the K540i REFINED offers exceptional structural integrity and generous adjustment travel. The advanced optical system incorporates Kahles’ VISIONFLEX design, delivering up to 40% wider field of view while maintaining a forgiving eyebox for improved target acquisition and comfort.

The turrets are engineered for precise tactile feedback with consistent 0.1 MRAD click values. Integrated features such as ZeroStop and TwistGuard enhance reliability by preventing over-rotation and unintended turret movement, ensuring repeatable accuracy under demanding shooting conditions.

Fit & Comfort

The generous eyebox and 92mm eye relief provide a comfortable shooting experience across the entire magnification range. The refined layout of controls ensures intuitive handling, with clearly legible turret markings and ergonomic placement that supports efficient adjustments in dynamic shooting scenarios.

Waterproof Performance

The waterproof specification is not provided.

Key Features

• 5–40x magnification with true 8x zoom range
• 56mm objective lens for strong light transmission
• VISIONFLEX optical system with up to 40% wider field of view
• First focal plane illuminated reticle
• 36mm main tube for increased adjustment range
• 0.1 MRAD click value turrets with ZeroStop
• TwistGuard anti-rotation protection
• Top-mounted parallax adjustment from 20m to infinity
• CCW turret direction with EASYREAD labelling

Materials & Care

The riflescope is constructed with premium optical glass and a durable aluminium housing finished in matte black. Care instructions are not provided. To maintain performance, lenses should be kept clean and protected during storage and transport.

Size & Fit Guidance

The Kahles K540i REFINED measures 408mm in length and weighs approximately 1,115g. It features a 36mm tube diameter, requiring compatible 36mm scope rings or mounting solutions.

Reticles

Kahles K540i REFINED 5-40x56i Riflescope Review

The Kahles K540i REFINED 5-40x56i is a high-end long-range riflescope built for serious competition shooters and precision rifle enthusiasts. Its expansive magnification range, enhanced field of view and first focal plane illuminated reticle make it particularly well suited to PRS-style shooting and extended-range target work. Designed with mechanical precision and optical clarity at its core, it reflects Kahles’ focus on performance-driven innovation.

Kahles K540i REFINED 5-40x56i Performance & Key Features

This scope combines high magnification capability with an exceptionally wide field of view, providing both detail and awareness at distance. The VISIONFLEX optical system enhances clarity while maintaining a forgiving eyebox, supporting faster target acquisition.

• 5–40x zoom range for versatile long-range engagement
• First focal plane reticle for consistent subtensions at any power
• 0.1 MRAD precision turret adjustments
• ZeroStop for rapid and reliable return to zero

Build Quality & Handling

The 36mm aluminium main tube delivers strength and stability under recoil while allowing substantial internal adjustment. Turrets provide crisp, tactile feedback and clear labelling for confident dialling. At 1,115g, it is purpose-built for stability in precision rifle setups rather than lightweight field rifles.

Is Kahles K540i REFINED 5-40x56i Riflescope Easy to Use?

The intuitive turret layout, CCW adjustment direction and EASYREAD markings simplify operation in competitive environments. The top-mounted parallax adjustment from 20m to infinity allows precise focus control across varying distances. The illuminated reticle enhances usability in changing light conditions.

• Clear turret labelling
• Top-mounted parallax control
• Illuminated first focal plane reticle

Key Takeaways of the Kahles K540i REFINED 5-40x56i Riflescope

The Kahles K540i REFINED 5-40x56i stands out for its extensive magnification range, wide field of view and mechanically precise turret system. Its size and weight reflect its focus on competition and dedicated long-range shooting rather than lightweight hunting use. For shooters seeking elite-level optical clarity and dependable tracking performance, it represents a premium choice within precision rifle optics.

Kahles K540i REFINED 5-40x56i Riflescope FAQs

What magnification range does the Kahles K540i REFINED 5-40x56i offer?

It features a variable magnification range from 5x to 40x, providing flexibility for both mid-range and extreme long-range shooting applications.

Is the reticle positioned in the first focal plane?

Yes, the riflescope uses a first focal plane reticle, ensuring accurate subtensions and holdover references at all magnification levels.

What tube diameter does the scope require for mounting?

The scope has a 36mm main tube and requires compatible 36mm mounting rings or bases.

How is parallax adjusted on the K540i REFINED?

Parallax adjustment is top-mounted and ranges from 20 metres to infinity, allowing precise focus correction for varying target distances.

What is the field of view at 100 metres?

The field of view ranges from 10.2 metres at lower magnification to 1.3 metres at maximum magnification.

Does the Kahles K540i REFINED include ZeroStop functionality?

Yes, it incorporates a ZeroStop system to allow quick and reliable return to a predefined zero setting.

How heavy is the Kahles K540i REFINED 5-40x56i?

The riflescope weighs approximately 1,115 grams, reflecting its robust construction and long-range performance design.

Is the reticle illuminated?

Yes, the reticle is illuminated to support improved visibility in varying light conditions.

For more options, explore the full range of Kahles riflescopes here.