Shibuya Recurve Sights Ultima RC Pro 520-9 Single Mount

SHIBUYA ULTIMA RC IV

Next-generation precision for competitive recurve archers

The Shibuya Ultima RC IV marks a new chapter in the world’s most trusted recurve target sight. Building on two decades of success, this latest model introduces finer micro-adjustments, improved mechanical stability, and enhanced maintainability. With Shibuya’s smallest-ever click increment, a backlash-free ZPE system, and a redesigned quick-release pin stopper, the RC IV delivers uncompromising accuracy and intuitive operation for elite-level performance.

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