SHIBUYA ULTIMA RC IV

Trusted worldwide since 2005, the Shibuya ULTIMA RC series is a medalist favourite for precision and reliability. The ULTIMA RC IV continues that legacy with refined operability: finer micro-adjustment, zero backlash feel, and simplified maintenance—all while keeping the proven ULTIMA structure that feels instantly familiar on the line.

Key Features

Finer Adjustment — SHIBUYA’s Smallest Click Increment

• Elevation and windage move approx. 0.04mm per click (previously 0.05mm)

• Ultra-fine tuning for precise sight alignment

Zero Backlash — ZPE System Integration

• ZPE System optimized for true zero backlash

• Firm, consistent clicks even during reverse adjustments for accurate calibration

Quick-Release Sight Pin Stopper

• Disengages instantly without tools

• One-touch adjustment and faster setup—great under time pressure

Sight Scale Plates

• Metal scale plates on both sides of the elevation bar

• Includes standard scale plate + blank plate for printed tapes

• Left/right interchangeable to match shooting style preferences

X-Lock System (US Pat. No. 7,287,335)

• Re-adjustable zero-tolerance fit between windage unit and sight frame

• Durable polyacetal guide spacers; parts are field-adjustable and replaceable

New Maximum-Grip Dial Finish

• Reworked dials/knobs for smoother adjustments and more secure tightening

Enhanced Maintainability

• Wear-prone parts redesigned for easier cleaning and replacement

• Built for long-term stability with proper care