In the UK, all new Rifles, Air-Rifles and Air-Pistols must be bought face to with a registered Firearms Dealer, if you wish to purchase any of the above you will need to provide us with information of who and where it is to be sent, once contact has been made with the RFD and they have agreed to accept the item for you we can begin to arrange the delivery. Please note, there is usually a £25 handling fee for this service. Any licencing needs such as entering details to a firearms licence will need to be done before the firearm is sent out. Your licence will need to be sent in to us using our registered office address, shown on your invoice.
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Enhance your aiming precision with the Gehmann 520 M.18 Adjustable Foresight Iris, a premium front sight accessory designed for competitive target rifle shooters. Offering smooth, infinitely variable aperture adjustment, this precision-engineered foresight iris allows you to optimise your sight picture for changing lighting conditions and target contrast.
The continuously adjustable iris enables you to select the exact aperture size required, helping to achieve the ideal balance between target definition and light transmission. Whether shooting indoors or outdoors, the ability to fine-tune the aperture can improve consistency and visual comfort throughout a competition.
Featuring a 1.5mm thick sight ring, the 520 provides a crisp, well-defined aiming reference, while the integrated horizontal level bars help maintain consistent rifle alignment and reduce cant, supporting improved shot-to-shot accuracy.
Available in three aperture adjustment ranges, the Gehmann 520 M.18 can be selected to suit your preferred shooting discipline and personal sighting preferences:
520A: Adjustable from 2.4mm to 4.4mm
520B: Adjustable from 4.0mm to 6.0mm
520C: Adjustable from 2.9mm to 4.9mm
Manufactured to Gehmann's exacting standards, the 520 M.18 Adjustable Foresight Iris delivers the precision, durability and repeatability expected by serious target rifle shooters.
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Designed specifically for full-bore target rifle disciplines, the Gehmann 520-35 Full-Bore Adjustable Iris provides precise aperture adjustment to help shooters achieve a clear, consistent sight picture in a variety of lighting conditions.
Featuring a robust horizontal bar design, the 520-35 allows for smooth and accurate aperture adjustment, enabling the shooter to optimise the amount of light entering the rear sight to suit changing target contrast and ambient light. A laser-engraved reference mark ensures repeatable and precise adjustments, making it easy to return to preferred settings during competition or practice.
The removable face plate provides added versatility, allowing compatible Gehmann optical tubes and accessories to be fitted when required, making the iris adaptable to individual shooting preferences and future upgrades.
The Gehmann 520-35 is available in three aperture adjustment ranges, allowing shooters to select the model best suited to their discipline and preferred sight picture:
520-35B: Adjustable from 4.0mm to 6.0mm
520-35C: Adjustable from 2.9mm to 4.9mm
520-35D: Adjustable from 5.5mm to 7.5mm
Manufactured to Gehmann's renowned standards of precision engineering, the 520-35 is an excellent choice for competitive full-bore rifle shooters seeking reliable performance, repeatable adjustments and compatibility with additional optical accessories.
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This product has multiple variants. The options may be chosen on the product page
The Gehmann 522 M.18 Adjustable Foresight Iris is a high-quality front sight ring designed for target rifle shooters who require precise control over their sight picture. Featuring infinitely variable aperture adjustment, this precision-engineered foresight iris allows you to fine-tune the aperture size to suit changing lighting conditions, target contrast and personal shooting preferences.
The iris offers smooth, continuous adjustment without fixed click settings, enabling you to select the exact aperture diameter for optimum target definition and consistent aiming performance. Whether training or competing, the ability to adjust the aperture quickly and accurately helps maintain a clear and comfortable sight picture throughout the course of fire.
Unlike versions fitted with level bars, the 522 is supplied as a ring-only design, making it an ideal choice for shooters who prefer an unobstructed field of view through the foresight.
Constructed with a 1.5mm thick sight ring, the Gehmann 522 provides a crisp and well-defined aiming reference while maintaining the precision and durability expected from one of the world's leading manufacturers of target shooting equipment.
The 522 is available in four aperture adjustment ranges:
522A: Adjustable from 2.4mm to 4.4mm
522B: Adjustable from 4.0mm to 6.0mm
522C: Adjustable from 2.9mm to 4.9mm
522D: Adjustable from 5.0mm to 7.5mm
Manufactured to Gehmann's renowned standards of quality and precision, the 522 M.18 Adjustable Foresight Iris is an excellent choice for competitive rifle shooters seeking smooth adjustment, repeatable performance and a clean, uncluttered sight picture.
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This product has multiple variants. The options may be chosen on the product page
The Gehmann 522-22 Adjustable Foresight Iris is a precision front sight aperture designed for M22 foresight systems, allowing target shooters to fine-tune their sight picture for optimum accuracy in a wide range of lighting conditions. Featuring infinitely adjustable aperture sizes and a consistent 1.5mm ring thickness, it provides exceptional flexibility for achieving the ideal balance between target visibility and sight definition.
Each iris incorporates horizontal level bars, helping shooters maintain consistent rifle alignment while providing a clear and well-defined sight picture. The smooth, infinitely adjustable mechanism allows precise control over aperture size, making it easy to adapt to changing range conditions or personal preferences.
Available in a range of adjustment sizes, the 522-22 series offers options to suit different target disciplines and shooting styles. Special aperture sizes are also available to meet individual requirements.
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This product has multiple variants. The options may be chosen on the product page
The Gehmann 526-18 Cant Adjustable Front Sight is a premium precision sight designed for competitive target rifle shooters who require fast, accurate cant adjustment without compromising rifle dimensions or accessory compatibility. Engineered for maximum flexibility, it enables shooters to align the foresight perfectly with their natural shooting position, helping to minimise cant-induced errors and promote consistent shot placement.
Manufactured from precision-machined aluminium and available in both black and silver finishes, the 526-18 combines exceptional durability with a lightweight, competition-ready design. Its innovative rotating mechanism allows the foresight to be adjusted for cant quickly and accurately, with no tools required, making it ideal for fine-tuning on the firing line or during training sessions.
Clear, laser-engraved reference markings provide an easy-to-read indication of the sight's rotational position, allowing precise, repeatable adjustments every time. Once the desired position is selected, the sight locks securely in place by hand, ensuring reliable performance throughout competition.
With an ultra-compact overall length of just 26mm, the 526-18 is specifically designed to accommodate front sight irises, lenses and other M18 threaded accessories while remaining within the maximum overall rifle length permitted under ISSF regulations.
Compatible with Anschütz, Feinwerkbau, Grünig + Elmiger, Steyr and Walther rifles, a spacer required when mounting to Walther sight bases, providing broad compatibility across today's leading target rifles.
The Gehmann 526-18 Cant Adjustable Front Sight offers shooters a highly adaptable, competition-focused solution that combines precision engineering, effortless adjustment and full accessory compatibility in an exceptionally compact package.
The Gehmann 528-22 "Double-Cross" M22 Adjustable Foresight Iris offers exceptional versatility for target rifle shooters, combining an infinitely adjustable front sight aperture with Gehmann's innovative Double-Cross aiming system. Designed with an M22 fitting, this precision-engineered foresight allows shooters to tailor both the aperture size and aiming reference to suit a wide range of shooting disciplines and lighting conditions.
The unique Double-Cross design enables the foresight to be used with either horizontal level bars or, by simply rotating the insert, a fine crosshair. This provides the flexibility to select the sight picture that best suits your shooting style without the need to change foresight elements.
Featuring smooth, infinitely variable aperture adjustment, the 528-22 allows precise control over the amount of light entering the foresight, helping to achieve optimum target definition and a consistent sight picture in varying conditions.
The Double-Cross insert uses only one side of the foresight to maintain a clean, uncluttered aiming reference. A plastic adjustment tool is supplied, allowing the insert to be rotated quickly and safely between the horizontal bar and crosshair configurations.
The Gehmann 528-22 is available in four aperture adjustment ranges, including a larger specialist option for shooters requiring an extended adjustment range:
528-22A: Adjustable from 2.4mm to 4.4mm
528-22B: Adjustable from 4.0mm to 6.0mm
528-22C: Adjustable from 2.9mm to 4.9mm
528-22D: Adjustable from 5.0mm to 7.5mm
Manufactured to Gehmann's renowned standards of precision engineering, the 528-22 "Double-Cross" is an ideal choice for competitive target rifle shooters seeking maximum flexibility, repeatable performance and exceptional optical precision.
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This product has multiple variants. The options may be chosen on the product page
In the UK, all new Rifles, Air-Rifles and Air-Pistols must be bought face to with a registered Firearms Dealer, if you wish to purchase any of the above you will need to provide us with information of who and where it is to be sent, once contact has been made with the RFD and they have agreed to accept the item for you we can begin to arrange the delivery. Please note, there is usually a £25 handling fee for this service. Any licencing needs such as entering details to a firearms licence will need to be done before the firearm is sent out, *your licence will need to be sent in to us using our registered office address, shown on your invoice.
In the UK, all new Rifles, Air-Rifles and Air-Pistols must be bought face to with a registered Firearms Dealer, if you wish to purchase any of the above you will need to provide us with information of who and where it is to be sent, once contact has been made with the RFD and they have agreed to accept the item for you we can begin to arrange the delivery. Please note, there is usually a £25 handling fee for this service. Any licencing needs such as entering details to a firearms licence will need to be done before the firearm is sent out. Your licence will need to be sent in to us using our registered office address, shown on your invoice.
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