TruGlo One-Piece Tactical Scope Mount features a 1 tube diameter and 1.50 mount height designed for AR platforms, precision bolt-actions, or shotguns with top rails, providing standard Medium alignment for flat-top AR platforms. CNC-machined from aircraft-grade aluminum in Matte Black Anodized finish, this 2-7/8 long one-piece base with integrated rings includes mounting hardware with 4 bolts per ring cap and an integrated adjustable recoil lug. It interfaces with Picatinny and Weaver rails. 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.