Tier-One Picatinny, Barnard S

• Action-specific fit: This Tier-One Picatinny rail is made for the Barnard S action pattern, giving a correct mounting interface without improvised spacing or compromise in alignment.
• Picatinny cross-platform mounting: A full Picatinny rail layout makes it easier to fit a wide range of riflescope rings, night vision bridges, and other rail-mounted shooting accessories.
• Aluminium construction: The aluminium body keeps weight under control while still providing the rigidity needed for repeatable optic mounting on precision rifles.
• Five-axis CNC manufacturing: Tier-One machines its rails in one operation from bar stock, which supports consistent tolerances and helps maintain even contact between the rail, action and mounted optic.
• STANAG 4694-based geometry: The series is built to exceed the criteria for the STANAG 4694 NATO metric upgrade to the Picatinny standard, supporting secure accessory engagement across compatible mounts.

About the Tier-One Picatinny Rails Series

Tier-One Picatinny Rails sit in the brand’s precision mounting range as firearm-specific bases for shooters who want a stable interface between rifle and optic. The series is built around the idea that a rail should do more than simply add slots: it should preserve alignment, hold zero reliably, and provide a consistent platform for modern riflescopes and accessory mounts. To achieve that, Tier-One machines each rail from round bar stock to its finished form in a single five-axis CNC operation, a manufacturing approach chosen to keep tolerances tight and geometry consistent.

Across the series, the rails are made from 7075-T6 aluminium and offered in firearm-specific variants for a wide range of action types, including Barnard, Blaser, Browning, Remington, Sako, Savage and Tikka patterns. Depending on the model, the range includes 0-, 10- or 20-MOA configurations, allowing the shooter to choose a flat mounting plane or additional elevation bias for longer-range work. Tier-One also states that these rails exceed the manufacturing criteria for the 2009 metric upgrade to the Picatinny rail, STANAG 4694 NATO, which reflects the series’ focus on precise engagement and repeatable mounting.

About the Tier-One Picatinny, Barnard S

The Tier-One Picatinny, Barnard S is a dedicated mounting base for rifles built around the Barnard Precision S action, while also sharing the hole pattern used by several related actions including the Remington Seven (3 holes), Remington 600, 600 Mohawk, 660, 673 and XP-100. That broad compatibility makes it a practical choice for custom and specialist rifle builds where a secure optic interface matters as much as the scope itself. By using a true Picatinny profile, the rail gives the shooter more freedom in ring placement and eye-relief setup than many shorter or proprietary bases.

Its aluminium construction keeps the rail light enough for field rifles, yet rigid enough for precision shooting applications where scope alignment and repeatability are important. In use, that means a cleaner foundation for hunting optics or target optics, especially when the rifle may be transported often or used with heavier scopes. The black finish keeps the appearance understated and matches most modern actions and ring sets.

As part of the Tier-One rail family, this model benefits from the company’s five-axis CNC manufacturing approach and STANAG-oriented rail geometry. In practical terms, that supports consistent slot dimensions and a dependable fit with quality Picatinny rings and accessories. For a Barnard S-based rifle, the result is a straightforward, purpose-built base that prioritises correct fit, mounting flexibility and mechanical consistency.

About Tier-One

Tier-One was incorporated in early 2008 and is based in the United Kingdom. The company focuses on precision shooting accessories, producing riflescope mounts, moderators, bipods and related components for sporting and tactical rifle use. A defining part of Tier-One’s identity is that it manufactures products in-house on its own five-axis CNC machines, giving the brand close control over machining quality and repeatability.

Within the optics-mounting category, Tier-One is particularly known for the Monomount, its one-piece riflescope mounting system, and for precision ring production supplied to Zeiss USA. The company has also produced OEM products for Blaser, Sauer, AI and March, which reflects its established role in the premium rifle-accessory segment. That background is directly relevant to products such as Picatinny rails, where machining accuracy, material quality and fit are central to performance.

Main Features

• Manufacturer: Tier-One
• Series: Tier-One Picatinny Rails
• Made in: United Kingdom
• Product type: Picatinny Rail
• Material: Aluminium
• Colour: Black
• Compatibility above: Picatinny Rail
• Compatibility below: Barnard Precision P action
• Compatibility below: Barnard Precision S action
• Compatibility below: Remington Seven (3 holes)
• Compatibility below: Remington 600
• Compatibility below: Remington 600 Mohawk
• Compatibility below: Remington 660
• Compatibility below: Remington 673
• Compatibility below: Remington XP-100

Warranty

Tier-One provides a 10-year warranty for this Picatinny rail. That stated warranty period supports long-term use on working rifles where the mounting base is expected to remain mechanically stable over years of regular scope changes and field handling.