The Contessa 40mm to 30mm Reduction Ring RR02 is a versatile accessory designed to reduce the ring diameter from 40mm to 30mm. Made from high-quality materials, this reduction ring ensures a perfect fit and reliable performance. Ideal for tactical QR-FX mounts, the reduction ring allows for seamless integration and enhanced functionality. Whether upgrading or customizing your scope setup, the Contessa 40mm to 30mm Reduction Ring offers improved versatility and precision.