Dentler Base Rail BASIS - Dovetail 12 mm

• Modular BASIS interface: The rail forms the firearm-side half of the Dentler BASIS system, making it easy to move between compatible optic mounting rails while keeping the setup consistent and repeatable.
• 12 mm dovetail fit: Designed for firearms with a 12 mm dovetail, it provides a model-specific connection that avoids improvised fitting and gives the mount a secure mechanical seat.
• Steel construction: The steel body adds the rigidity needed for hunting optics, helping the mounting surface stay stable under recoil and regular field use.
• Low-profile base rail: Because the base rail remains on the firearm, it supports quick optic changes within the BASIS system without turning the rifle into a bulky or awkward package.
• Matte black finish: The black matte surface keeps reflections down and matches modern hunting rifle hardware, which is useful when building a practical field setup.

About the BASIS Series

Dentler BASIS is the company’s core modular mounting platform for hunters who want one optic system to work across different firearms and sighting needs. The concept is built around a firearm-specific base rail and a separate optic-side mounting rail, so each half of the system has a clear job: the base stays on the gun, while the upper rail stays with the optic. That layout makes the series especially useful for hunters who alternate between day optics, red dots, or other sighting solutions depending on season, terrain, and game.

Within Dentler’s lineup, BASIS sits as the straightforward modular solution, while BASIS VARIO adds continuous adjustment capability. The standard BASIS family focuses on a repeatable, tension-free mechanical connection and on model-specific fit, which is important for preserving alignment and simplifying installation on hunting firearms. Dentler also builds the system around broad compatibility, with mounting rails available for common optic interfaces and base rails tailored to many rifle and combination-gun platforms. In practice, the series appeals to users who value a clean, durable mounting architecture made in Germany and designed around practical field handling rather than one-piece universal compromise mounts.

About the Dentler Base Rail BASIS - Dovetail 12 mm

The Dentler Base Rail BASIS - Dovetail 12 mm is a firearm-side mounting base for rifles and combination guns that use a 12 mm dovetail. Its role is simple but important: it creates the fixed interface that allows a compatible Dentler BASIS optic rail to lock on securely. For shooters using traditional European dovetail-equipped firearms, that gives a modern modular mounting option without abandoning the underlying receiver format.

This model stands out because it combines a compact steel construction with a fit intended for the 12 mm dovetail pattern, including applications such as firearms from Antonio Zoli, Baikal, BRNO, FAIR, Haenel, Marocchi, Mauser, Sabatti, Steyr Mannlicher, Tikka, Valmet and Fausti models listed for this rail. In practical use, that means the base is not a generic adapter plate but a dedicated part of a system built around correct mechanical engagement. The steel body supports stability under recoil, while the matte black finish keeps the installation visually discreet on hunting firearms.

As part of the Dentler BASIS ecosystem, the rail is especially useful for shooters who want to keep a base permanently on the firearm and swap optics by using matching Dentler upper rails. That approach reduces repeated disassembly at the receiver and makes it easier to configure one firearm for driven hunting, stalking, or general field use with different sighting setups. The result is a mounting solution aimed at reliability, clean handling, and repeatable optic changes.

About Dentler

Dentler Jagdwaffen was founded in 2011 by Daniel Dentler. Based in Leutkirch im Allgäu, Germany, the company focuses on modular riflescope mounting systems for hunting firearms. Its best-known platforms are BASIS and BASIS VARIO, both built around the idea of separating the firearm-side base from the optic-side mounting rail.

This specialization gives Dentler a clear place in the hunting optics market: rather than producing general accessories across many unrelated categories, it concentrates on mounting solutions that let hunters adapt optics to different rifles and uses. The BASIS system uses a firearm-specific base rail with an interchangeable optic rail, while BASIS VARIO adds continuous height and windage adjustment. Dentler also offers mounting rails for a wide range of optic interfaces, including Aimpoint, Pulsar, Swarovski, Zeiss, and Weaver/Picatinny formats, which reflects the company’s emphasis on modularity and practical compatibility.

Main Features

• Manufacturer: Dentler
• Series: BASIS
• Mount type: Base rail
• Interface: Dovetail 12 mm
• Material: Steel
• Color: Black - Matte
• Made in: Germany
• Compatibility: Antonio Zoli Express, Baikal MP 94, Baikal MP 94 Sever, Baikal MP-18MH, Baikal MP 221 Artemida, Bettinsoli Rifles, BRNO Combo, BRNO Express, FAIR Combi, Haenel Jaeger 8.10, Haenel Jaeger 8.11, Haenel Jaeger 9, Marocchi FinnClassic 512S, Marocchi FinnClassic 612S, Mauser 66, Sabatti Forest, Sabatti SKL-20 Kipplauf, Steyr Mannlicher Duett, Tikka 512S, Tikka 412S, Valmet 412S, Valmet Petra, 12 mm Dovetail with recoil notch, 12 mm Contessa Dovetail, Fausti Express

Warranty

Dentler provides a 30-year warranty for this base rail. That long coverage period suits a steel mounting component designed to remain on the firearm as part of a durable modular optics setup.