Technical Details / Usage Tips

• Brand: MEC / Centra.
• Model: High End Circle 4.0.
• Type: Fixed front sight ring.
• Thread: M18.
• Diameter: 4.0 mm.
• Compatibility: All standard M18 front sight tunnels.
• Tip: Ideal for shooters who have finalized their preferred front sight size and want maximum consistency in competition.

The MEC High End Circle 4.0 M18 is a premium-quality front sight ring developed for shooters who prefer a fixed, perfectly defined 4.0 mm sight picture. Designed by MEC / Centra, this high-end sight insert is engineered to deliver exceptional centring clarity, helping shooters maintain consistent alignment between the foresight ring and target bull.

With its M18 thread, the sight ring fits seamlessly into standard M18 front sight tunnels used by top competition rifles. The precisely machined circular aperture ensures a symmetrical and distortion-free view, making it ideal for shooters who rely on repeatability and muscle memory rather than variable adjustments.

Manufactured with tight tolerances and finished to professional standards, the High End Circle minimizes reflections and visual distractions, allowing shooters to focus fully on sight alignment and trigger control. It is fully ISSF compliant and suitable for 10m Air Rifle, 50m Rifle, and other precision rifle disciplines.

This sight ring is especially popular among elite shooters who already know their optimal sight size and want a rock-solid, no-compromise solution for match conditions.