Est. 2013 | 10,000+ Happy Customers
Compact, powerful, and engineered for excellence, the Kahles K 5-40x56i Riflescope redefines long-range shooting performance. With a groundbreaking 8x zoom range and an incredibly wide field of view, it provides shooters with crisp, clear images from edge to edge at every magnification level. Designed to meet the needs of precision shooters, tactical operators, and competitive marksmen, this scope sets a new standard in optical clarity and reliability.
Featuring advanced features like an integrated TWIST GUARD rotation protector, first focal plane illuminated reticles, and robust waterproof construction, the K 5-40x56i is built for the most demanding environments. Its intuitive controls, outstanding eye relief, and rugged build make it a trusted companion for serious long-range applications, offering a flawless experience in both dynamic and static shooting scenarios.
Magnification | 5 – 40 |
---|---|
Objective Lens Diameter | 56 mm |
Field of View (m/100m) | 10.2 – 1.3 |
Exit Pupil Diameter (mm) | 1.4 – 7.7 |
Eye Relief (mm) | 92 |
Diopter Compensation (dpt.) | +2 / –3 |
Parallax Adjustment (m) | 20 – ∞ |
Windage | Left / Right |
Adjustment Direction | CW / CCW |
Adjustment Range E/W (m/100m) | 2.9 / 1.2 |
Impact Correction per Click | 0.1 MRAD |
Tube Diameter (mm) | 36 |
Focal Plane | 1. |
Reticles | AMR, MSR2/Ki, SKMR4+ |
Illuminated | Yes |
Twilight Factor (DIN 58388) | 13.9 – 47.3 |
Zero Stop | Yes |
TWIST GUARD | Yes |
Waterproof | Yes |
Length (mm) | 408 |
Weight (g) | 1110 |
Battery Type | CR2032 |
Warranty (years) | 10 (2 electronics) |
Objective Filter Thread | M58 × 0.75 |
Accessories (Optional) | Bubble Level, Flip-Up Cover, Killflash ARD, Parallax Spinner, Sunshield, Throw Lever |
The groundbreaking K 5-40x56i sets a new benchmark in optical technology. Designed with a revolutionary 40% wider field of view, it combines top-tier precision with unmatched user comfort for professional marksmen and demanding shooters alike.
Delivering a full 8x zoom range, this scope maintains consistent image quality across all magnification levels. The result is perfect optical clarity from edge to edge, even at 40x zoom, offering a significant advantage in both dynamic and long-range applications.Experience exceptional eye comfort at all magnification levels, including a remarkable 92 mm of eye relief. The scope is engineered for intuitive use, allowing shooters to stay focused on the target without fatigue.
The integrated TWIST GUARD rotation protection provides windage adjustment on both the left and right side, ensuring secure handling and consistent performance in any shooting condition.With an elevation range of 2.9 mrad and windage adjustment of 1.2 mrad per 100 m, the K 540i offers precise, repeatable adjustments. Each click equals 0.1 MRAD, with 160 clearly defined clicks per rotation for supreme control.
A patented parallax adjustment system is seamlessly integrated, offering an adjustment range from 20 meters to infinity—ideal for long-distance accuracy and fast target acquisition in the field.Featuring a 36 mm tube diameter and a rugged, waterproof design, the K 540i is engineered to withstand the harshest environments. The illuminated reticle in the first focal plane ensures pinpoint accuracy in any lighting condition.
Backed by a 10-year warranty (2 years on electronics), this optic delivers long-lasting reliability. Optional accessories like killflash ARD, throw lever, and parallax spinner add even more functionality to an already exceptional system.This video showcases the Kahles riflescope lineup including the K525i and K318i, highlighting features such as precision engineering, intuitive controls, and robust construction for tactical and long-range shooting. Though focused on different models, it provides useful context on the high-performance optical systems and rugged design also found in the K 5-40x56i.
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