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. Contessa SRL Contessa 40mm to 30mm Reduction Ring RR02