Shibuya Ultima RC IV 520 Recurve Sight

Since its introduction, the Shibuya ULTIMA RC series has earned the trust of archers worldwide for its precision, stability, and reliability.

The Shibuya ULTIMA RCⅣ continues that proud legacy, embodying the steady evolution of SHIBUYA’s craftsmanship and attention to detail.

Every aspect of the sight has been refined to provide an even smoother and more precise shooting experience.

The adjustment mechanism now offers finer micro-tuning for more accurate sight alignment, backlash has been completely eliminated for consistent feel, and maintenance has been simplified to ensure lasting performance with ease of care.

By preserving the proven structure that defines the ULTIMA series while enhancing every operational detail, the Shibuya RCⅣ sight represents the next chapter of a trusted design—one that feels instantly familiar, yet distinctly improved.

Key Features

• Ultra-fine 0.04 mm micro-adjustment – for precise vertical and horizontal tuning
• ZPE zero-backlash system – ensuring consistent, repeatable adjustments
• Quick-release sight pin stopper – for fast, tool-free setup and repositioning

Specifications

Material

• Elevation: 6000-series aluminium
• Windage Unit: 6000-series aluminium
• Extension: Carbon fiber

Mass Weight: 215 g

Aperture Distance (APD): 90–255 mm

Elevation

• Adjustment Model: Screw drive with no-lock quick adjust
• Length: 132 mm (approx. 5.2")
• Adjustable Range: 107 mm
• Adjustment Increments:
  • 1/32" per revolution (approx. 0.8 mm)
  • 1/640" per click (approx. 0.04 mm)

Windage

• Adjustable Range: 5.4 mm
• Adjustment Increments:
  • 1/32" per revolution (approx. 0.8 mm)
  • 1/640" per click (approx. 0.04 mm)

Extension Bar

• Length: 233 mm (approx. 9")
• Adjustable Range: 165 mm (approx. 6.5")
• Adjustment Increments: 1/2" (approx. 12.7 mm)

Tilt Adjustment: Adjustable

Compatible Apertures: No. 8-32 threaded sight pins

Orientation: RH / LH

Included Accessories: Soft sight case, No.10-24 mount screws, 1.5 / 2.5 / 3 mm hex wrenches, blank sight tape