The Sportsmatch Tikka / CZ Adapter Bases (Model: RB4) are precision-engineered, British-made scope mount adapters designed to resolve mounting compatibility issues on specific rifle actions. Manufactured by Sportsmatch UK, this high-grade two-piece rail set mounts securely onto proprietary 15mm receiver dovetails and converts them to standard 9.5mm to 11mm (3/8 inch) dovetail profiles. This allows Australian shooters to use a much wider variety of standard rimfire and air rifle scope mounts on their rifles. Because these are strictly mechanical firearm accessories made from high-grade alloy, they do not feature any electrical components and do not require SAA certification, RCM compliance approvals, or 240V power supplies to operate in Australia.

Key Features:

• Broadened Mount Options: Easily converts proprietary 15mm receiver dovetails down to a standard 9.5mm to 11mm profile, allowing you to use standard 1-inch or 30mm scope rings.
• Robust Recoil Management: Features a removable arrestor recoil pin to prevent scope drift and maintain zero under recoil.
• Precision Engineering: Manufactured in Great Britain from high-tensile alloy for exceptional durability and tight alignment tolerances.
• Optimised Profile: Provides an overall height of 15mm (with an effective height increase of approximately 3mm to 12mm depending on the ring seating), helping clear larger objective lenses or bolt handles.
• Lightweight Design: Adds only 40 grams to your rifle setup, ensuring optimal balance is maintained.

Product Specifications:

• Manufacturer: Sportsmatch UK
• Model: RB4
• Type: Two-piece adapter rail set
• Base Compatibility (Receiver Side): 15mm (0.590 inch) dovetail
• Conversion Profile (Scope Mount Side): 9.5mm to 11mm (3/8 inch) dovetail
• Overall Height: 15 mm (0.590 inches)
• Width: 21 mm (0.827 inches)
• Weight: 40 grams
• Inclusions: Removable arrestor recoil pin

Who It Is For:

This adapter base set is ideal for Australian target shooters, hunters, and agricultural pest controllers who own Tikka T3, Tikka T3x, CZ 527, or early Brno Model 1 and 2 rimfire rifles. If you are struggling to find high-quality, specialised 15mm scope rings, or if you want to mount a standard 9.5mm to 11mm compatible scope mount on your centrefire or rimfire rifle, the Sportsmatch RB4 provides a reliable, secure, and rock-solid mounting solution.