Talley Scope Mount/Ring Combo features a 34mm tube diameter and High mount height (Front: 0.640, Rear: 0.715-0.746) for Browning X-Bolt rifles (Short and Long Action; excludes A-Bolt/AB3). Crafted from black anodized aluminum, this 2-piece set weighs 3.10 oz with 0 MOA cant. Unitized ring and base design mounts direct-to-receiver via Browning X-Lock 4-screw system with 6-48 hardware Safety Note Always ensure the firearm is unloaded before installing or adjusting any optics or bases. Verify proper torque specifications during installation. Improper mounting may affect accuracy and safety.