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.

Improve your visual focus and shooting consistency with the Gehmann 509 Rear Sight Mirror Disc Attachment. Designed to enhance concentration on the target, this innovative accessory introduces a unique reflective viewing concept that helps shooters maintain a more consistent and focused sight picture.
The mirror disc features a reflective surface facing the shooter, combined with a contrasting black centre insert. This distinctive design encourages the eye to naturally centre within the rear sight, helping reinforce a consistent head position and allowing the shooter's attention to remain focused on the target.
Simple to fit and lightweight in design, the Gehmann 509 is compatible with all standard 1-inch rear sight discs and irises, making it an ideal upgrade for a wide range of target rifle sights.
An innovative shooting aid, the Gehmann 509 Mirror Disc Attachment is designed to help shooters achieve a more consistent eye position and improved target focus, making it a valuable addition to any precision target rifle setup.Improve your sight picture and tailor your front sight to suit changing lighting conditions with the Gehmann 520-22 M22 Adjustable Foresight Iris. Designed for precision target rifle shooting, this high-quality adjustable foresight iris allows shooters to fine-tune the aperture size for optimum target definition and consistent aiming performance.
The iris features infinitely variable aperture adjustment, providing smooth, precise control without fixed click settings. This enables you to select the exact aperture size required to achieve the ideal balance between target clarity and light transmission for varying conditions.
A 1.5mm thick sight ring offers a clear, well-defined aiming reference, while the integrated horizontal level bars assist with maintaining consistent rifle cant and alignment, helping to improve shot-to-shot consistency.
Available in three adjustment ranges, the Gehmann 520-22 allows shooters to choose the aperture best suited to their preferred shooting discipline and sighting requirements:
Manufactured to Gehmann's renowned standards of precision engineering, the 520-22 M22 Adjustable Foresight Iris is an excellent choice for competitive rifle shooters seeking precise aperture control, repeatable performance and exceptional optical quality.
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:
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.
The Gehmann 523-18 Front Sight is a precision-engineered, ultra-compact foresight designed for competitive target rifle shooters who require maximum flexibility without compromising compliance with ISSF equipment regulations. Its exceptionally short profile allows the use of front sight irises and optical accessories while ensuring the rifle remains within the maximum overall length permitted for competition.
Manufactured to Gehmann's renowned standards, the 523-18 is precision-machined for outstanding durability, stability and repeatable performance. With an overall length of just 26mm, it is one of the shortest front sight units available, making it an ideal choice for shooters who wish to incorporate adjustable irises, lenses or anti-glare accessories without exceeding ISSF dimensional limits.
The foresight features a standard M18 thread, providing compatibility with a wide range of Gehmann and other M18 threaded front sight accessories. It is designed to fit rifles from Anschütz, Feinwerkbau, Grünig + Elmiger, Steyr and Walther, with a spacer required when mounting to Walther sight bases.
Compact, versatile and competition-ready, the Gehmann 523-18 Front Sight is an excellent solution for shooters looking to build a highly adaptable front sight system while remaining fully compliant with international competition rules.
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.
Key Features
Technical Specifications
The Gehmann 528 "Double-Cross" Adjustable Foresight Iris is an innovative front sight accessory designed for target rifle shooters who want the flexibility to adapt their sight picture to suit different disciplines, targets and personal preferences.
Featuring Gehmann's unique Double-Cross design, the foresight can be configured to display either horizontal level bars or, by simply rotating the insert, a fine crosshair. This versatile system allows shooters to experiment with different aiming references without replacing the entire foresight insert, making it ideal for those seeking maximum adaptability.
The iris provides infinitely variable aperture adjustment, allowing the aperture diameter to be set precisely for optimum target definition and light transmission in changing lighting conditions. Smooth, continuous adjustment enables you to achieve the ideal sight picture for both training and competition.
The Double-Cross system uses only one side of the foresight, creating a clean and effective aiming reference while maintaining excellent target visibility. A plastic adjustment tool is supplied, allowing the insert to be safely rotated between the horizontal bar and crosshair configurations without damaging the precision components.
Available in three aperture adjustment ranges, the Gehmann 528 can be selected to suit individual shooting requirements:
Manufactured to Gehmann's renowned standards of precision engineering, the 528 "Double-Cross" is an excellent choice for competitive target rifle shooters looking for a versatile, high-quality foresight iris with multiple aiming options.
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:
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.
The Gehmann 547-22LUX M22 Element Collar is an advanced optical component designed to enhance brightness and improve sight picture clarity within the front sight system. Engineered for precision target shooters, it increases the amount of ambient light reaching the foresight element, producing a brighter, higher-contrast aiming image that can reduce eye strain and improve target definition.
Manufactured from high-quality perspex, the 547-22LUX is designed to combine excellent light transmission with the durability required for regular competition use. Its translucent construction allows light to pass through and around the sight element more effectively, resulting in a clearer and more defined sight picture in varying lighting conditions.
The 547-22LUX is specifically designed for use with M22 foresight systems and pairs perfectly with the Gehmann 523-22LUX foresight body, creating a fully optimised translucent sighting setup. This combination delivers maximum light exposure to the iris and element system, making it particularly beneficial for shooters seeking enhanced visual clarity and improved target acquisition.
The Gehmann Front Extension Tube is a precision-engineered accessory designed to enhance sight picture clarity by improving the shooter's focus on the foresight while maintaining a sharp target image. Mounted directly to the front of the rear sight, it helps optimise visual alignment, making it an ideal addition for precision target rifle shooters seeking greater consistency and accuracy.
Manufactured to Gehmann's renowned standards, the extension tube features a durable, lightweight construction that integrates seamlessly with compatible rear sights without adding unnecessary bulk to the rifle.
The front end is fitted with a precision-machined thread, allowing the attachment of compatible sight accessories such as anti-glare tubes and optical components. This modular design gives shooters the flexibility to tailor their sighting system to suit different lighting conditions and competition disciplines.
A fluted neck design provides improved grip during installation and removal while ensuring a secure fit. For Feinwerkbau rear sights, a suitable adaptor is required for compatibility.
Whether used for ISSF competition, club shooting or training, the Gehmann Front Extension Tube offers a simple yet highly effective way to improve sight alignment and expand the versatility of your rear sight system.
The 588-18 MC 1.75x Foresight Lens is designed to provide enhanced target definition while maintaining exceptional optical clarity. Featuring a high-quality multi-coated 1.75x magnification lens, it delivers a bright, sharp sight picture with minimal light loss, making it well suited to precision target shooting.
The advanced wideband multi-coating reduces light transmission loss to just 0.5%, while the lens is specifically designed to minimise optical refraction for improved image quality. Laser centring during the coating process ensures a perfectly uniform coating layer, helping to deliver consistent optical performance across the entire lens surface.
An internal M18 thread allows compatible accessories, including filter screens, anti-glare tubes and spirit levels, to be fitted without compromising functionality, making this a versatile addition to your foresight setup.The Gehmann 591 M.18 Spirit Level is designed to help shooters maintain a consistent rifle cant, improving shot-to-shot consistency during training and competition. Mounted beneath the foresight element or iris clamp ring, it remains clearly visible over the top of the foresight, allowing the shooter to quickly confirm the rifle is level without disrupting their shooting position.
The medium to slow-moving bubble provides a steady, easy-to-read indication, making it simple to align accurately between the two reference marks before each shot. The spirit level can also be easily repositioned to suit individual preferences and securely locked in place, ensuring reliable performance throughout use.The Gehmann 591 M.22 Spirit Level is designed to help shooters maintain a consistent rifle cant, improving shot-to-shot consistency during training and competition. Mounted beneath the foresight element or iris clamp ring, it remains clearly visible over the top of the foresight, allowing the shooter to quickly confirm the rifle is level without disrupting their shooting position.
The medium to slow-moving bubble provides a steady, easy-to-read indication, making it simple to align accurately between the two reference marks before each shot. The spirit level can also be easily repositioned to suit individual preferences and securely locked in place, ensuring reliable performance throughout use.
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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.

