What are the mounting requirements for the Feyachi red dot sight and RS-30 magnifier combo?

The Feyachi RS-30 Combo requires a specific rail height and clearance to ensure the magnifier aligns correctly with the red dot’s reticle. To use this system effectively, the optic must be mounted at a height where the RS-30 magnifier’s eye relief, which ranges from 2.2 to 3.6 inches, can overlap the dot without the optics physically interfering with one another.

Because the RS-30 is a 1.5X to 5X variable magnification magnifier, any height discrepancy between the red dot and the magnifier will cause the magnified image to be offset from the point of impact. This is a critical concern for red dot users because even a slight misalignment makes the magnifier unusable for precise aiming. We selected the Feyachi RS-30 Combo for our comparison because it includes a hard-coat-anodized machined aluminum construction and a parallax-corrected design. While the package includes mounting screws, you should verify the specific torque requirements or the need for thread-locking compounds with the manufacturer to prevent hardware from backing out during recoil. You must also ensure the mounting brackets have enough physical clearance to sit side-by-side on your rail without touching.

Mounting Requirements for the Feyachi RS-30 Combo

Before purchasing, check these specific mounting requirements to ensure the combo functions as intended:

• Verify that your rail width is compatible with the mounting brackets for a flush fit.
• Check the manufacturer’s support page for specific torque values to avoid stripping threads or cracking the housing.
• Confirm that your rail height allows for the 2.2-3.6 inch eye relief of the magnifier.
• Ensure there is enough physical space on your rail for both the red dot and the magnifier to sit side-by-side.
• Consult the manual for a specific zeroing procedure to align the magnifier’s reticle with the red dot’s point of impact.

Comparing the Feyachi RS-30 Combo to Other Options

The Feyachi RS-30 Combo is a dual-optic system consisting of a red dot sight and a magnifying lens for different distances. This setup is ideal for users who need to switch quickly between close-quarters and mid-range targets. However, if you require a single optic with high magnification or a more compact footprint that doesn’t require a separate magnifier, you may want to look at dedicated LPVO (Low Power Variable Optics) systems. Users who prioritize a minimalist setup or have limited rail space may find a single high-quality red dot with a larger field of view more suitable than a two-piece combo.

If you need a versatile system that provides both a quick-aim dot and variable magnification for mid-range shots, the Feyachi RS-30 Combo is a practical choice. If you require a single-unit optic or have very limited rail space, you should consider a dedicated variable power scope instead.

If you are looking for a budget-friendly option, see our comparison of entry-level reflex sights for competition.