555-Z Centering Unit for Front Sight Tunnels 55559 and 559 – New Version

Precision centering unit designed for accurate adjustment of the front sight position within the tunnel. An ideal addition to your front sight system, offering high versatility and fine, click-adjustable control.

Key Features

• External and internal thread M18 × 0.5
• Compatible with:
  • Iris (55552)
  • Polarizing filter (55553)
  • Front sight holder (55546)
• Internal thread with stop for centering inserts (542, 546)
• Easy clamping in combination with adapter 55518

Adjustment Range

• Vertical: ±4 mm
• Horizontal: ±2 mm

Maximum adjustment range (with front sight holder 55546 + eccentric mount 55500):

• Vertical: up to 8 mm
• Horizontal: up to 6 mm

Precision Adjustment

• Click-adjustable knurled screws for precise setting
• Integrated screw locking to prevent unintentional loosening
• Laser-engraved scale for both vertical and horizontal adjustment

Construction

• Material: matte black anodized aluminum
• Adjustment screws: silver, knurled
• Weight: only 18.5 g

Perfect solution for shooters who demand maximum precision and fine-tuned sight alignment.