Rusan Picatinny rail - CZ 527

• Steel construction: The rail uses a steel body for a rigid mounting platform that resists flex under recoil and helps an optic stay aligned over repeated use.
• Picatinny interface: A full Picatinny top profile gives the CZ 527 a widely compatible mounting surface for modern riflescopes, red dots, and other sighting accessories.
• Model-specific fit: This base is made for the CZ 527 and the 16.5 mm CZ/Brno dovetail pattern, which simplifies installation and gives a secure mechanical fit on the rifle.
• 0 MOA inclination: The flat rail keeps the optic level with the bore line, making it a practical choice for general hunting and sporting setups where extra cant is not required.
• Low-profile design: With a BH height of 5.50 mm and a 105.00 mm length, the rail adds Picatinny versatility without making the rifle unnecessarily bulky.

About the Rusan Picatinny Bases Series

Rusan Picatinny Bases are built as model-specific mounting solutions for shooters who want to place modern optics on rifles that originally use proprietary receiver interfaces. Within the Rusan lineup, this series serves as a practical bridge between classic hunting rifles and the broad ecosystem of Picatinny-compatible optics and rings. The family covers a wide range of rifle actions, with versions made for platforms such as Steyr SBS, Zastava M70, Remington 7400, and CZ 550, so the concept is consistent across many firearm types.

The series is defined by high-grade steel construction and a black oxide semi-gloss finish, combining mechanical strength with a subdued appearance that suits hunting and sporting rifles. Rusan also builds these rails to the MIL-STD-1913 pattern, with 5.3 mm slots spaced 10 mm apart, which matters because it gives predictable compatibility with Picatinny rings and accessories. Depending on the rifle model, the series includes different mounting styles, including countersunk screws, set screws, quick-release lever arrangements, or versions with no holes. Some variants are also available with 10, 20, 30, or 40 MOA inclination, giving the range flexibility for both ordinary field use and more specialized long-range setups.

About the Rusan Picatinny rail - CZ 527

The Rusan Picatinny rail - CZ 527 is a dedicated steel base that converts the CZ 527 receiver to a Picatinny mounting standard, making it easier to use a far wider selection of scope rings and sighting systems than the original rifle interface allows. That matters for shooters who want to modernize a compact bolt-action rifle for hunting optics, a lightweight target scope, or a small red dot without being limited to a narrow choice of mounts.

This version uses a 105.00 mm rail body with a 5.50 mm BH height, so it keeps the mounting platform relatively low while still providing the cross-slot geometry needed for repeatable ring placement. The 0 MOA inclination makes it especially suitable for general-purpose zeroing distances and conventional hunting applications, where a flat base is often the simplest and most practical option. Its steel construction helps maintain rigidity under recoil and supports consistent optic alignment, which is important for preserving zero over time.

Because it is matched to the CZ 527 and the 16.5 mm CZ/Brno interface, the rail is designed around the rifle rather than as a universal compromise. In practical use, that gives a cleaner fit and a more secure foundation for the optic. The black finish keeps the installation visually discreet, while the Picatinny format leaves room to choose ring height, eye relief position, and optic type according to the rifle’s intended role.

About Rusan

Rusan is a Croatian manufacturer whose roots go back to 1983, when the Rusan family’s metalworking business began. Željko Rusan opened a gunsmith shop in 1986, and the company moved into scope-mount production in 1993. Based in Marija Bistrica, Croatia, Rusan-Mikron focuses on precision-made mounting solutions and related firearm components.

The company is especially known for scope mounts, scope rings, Picatinny rails, and firearm tuning products, along with adapter systems for night-vision and thermal devices. Rusan introduced its clip-on sight adapter clamp in 2009, reflecting a product philosophy centered on practical mechanical solutions for sporting and hunting firearms. That background is directly relevant here: a rail such as this CZ 527 model comes from a manufacturer with long experience in machining steel mounting components that need to fit specific rifle actions accurately and hold optics securely in field use.

Main Features

• Manufacturer: Rusan
• Mount series: Rusan Picatinny Bases
• Made in: Croatia
• Scope / Sight type: Picatinny Rail
• Material: Steel
• Color: Black
• Length.: 105.00 mm
• BH height.: 5.50 mm
• Inclination: 0 MOA
• Compatibility above: Picatinny Rail
• Compatibility below: BRNO CZ 527, CZ 527, 16.5 mm CZ/Brno

Warranty

10 years. Rusan states a ten-year warranty for this Picatinny rail, providing long-term coverage for a component intended to serve as a stable, rifle-specific optic mounting base.