DISCOVERYOPT One-Piece 0MOA Cantilever series Scope Mount is a cap design paired with a 2-nut base. A scalloped profile increases surface area while reducing mass, ensuring these rings will hold your scope tight! The DISCOVERYOPT One-Piece 0MOA Cantilever series Scope Mount is lifetime warranty! Ultra-Rigid Cantilever DesignCrafted from CNC-machined high-quality aluminium. The scalloped profile reduces weight by 28% while maintaining structural rigidity, ensuring zero shift even under heavy recoil. Secure 2-Nut Clamping SystemFeaturing a dual-nut rail clamping mechanism, the mount provides 360° torque distribution for an unshakable grip on Picatinny rails. An integrated anti-rotation index pin eliminates lateral slippage during rapid adjustments. Environmental ResilienceA hard-anodised 40μm oxide layer shields the surface from scratches, UV damage, and corrosion in extreme temperatures (-30°C to 80°C). The weatherproof O-ring seals further prevent moisture and dust ingress. Broad CompatibilityDesigned for 34mm and 30mm scope tubes. Note: Not compatible with Weaver-style rails due to slot width differences. Precision Alignment & Lifetime AssuranceLaser-etched MOA reticle alignment marks simplify optical axis calibration. Backed by Discovery Optics’ hand-selected A-Grade quality control and lifetime warranty, it guarantees reliability for professional shooters. Learn More: DiscoveryOPT